diff --git a/app/app.vue b/app/App.vue
similarity index 62%
rename from app/app.vue
rename to app/App.vue
index 733cde4..45fa334 100644
--- a/app/app.vue
+++ b/app/App.vue
@@ -10,22 +10,26 @@
             <li v-for="item of levels" :key="item.name" :class="{checked:level===item}" @click="changeLevel(item)">
               <span class="check">✔</span> {{item.name}}
             </li>
+            <hr>
+            <li :class="{checked:qmark}" @click="qmark=!qmark">
+              <span class="check">✔</span> Marks(?)
+            </li>
           </ul>
         </div>
       </li>
       <li class="help"><span class="help">Help</span></li>
     </ul>
-    <minesweeper ref="minesweeper"/>
+    <minesweeper :level="level" :qmark="qmark"/>
   </div>
 </div>
 
 </template>
 <script>
-import minesweeper from './minesweeper/minesweeper.vue'
+import Minesweeper from './Minesweeper/Minesweeper.vue'
 
 export default {
-  name: 'app',
-  components: { minesweeper },
+  name: 'App',
+  components: { Minesweeper },
   data () {
     return {
       levels: [
@@ -33,7 +37,8 @@ export default {
         { name: 'Intermediate', size: [16, 16], mineTotal: 40 },
         { name: 'Expert', size: [16, 30], mineTotal: 99 }
       ],
-      level: null,
+      qmark: false,
+      level: { name: 'Beginner', size: [9, 9], mineTotal: 10 },
       menu: { game: false }
     }
   },
@@ -41,20 +46,12 @@ export default {
     isMenuOpen () { return !Object.values(this.menu).every(x => !x) }
   },
   watch: {
-    level (nv, ov) { ov && this.reset() },
     isMenuOpen (v) { this.$emit('menu', v) }
   },
-  created () {
-    this.level = this.levels[0]
-  },
   methods: {
     changeLevel (item) {
       this.level = item
       this.$emit('changeLevel', item)
-    },
-    reset () {
-      const { size, mineTotal } = this.level
-      this.$refs.minesweeper.reset(size, mineTotal)
     }
   },
   templateSrc: './app.html',
@@ -62,22 +59,18 @@ export default {
 }
 </script>
 <style scoped>
-:focus {outline:none;}
+:focus {outline: none;}
 .container {
-  width: 100%; height: 100%; background-color: silver;
+  width: 100%;
+  height: 100%;
+  background-color: silver;
   font-size: 12px;
   font-family: Tahoma;
   display: flex;
   justify-content: center;
 }
-.app{max-width: 100%;}
-.option {
-  margin-top: 40px;
-}
-.option input {
-  width: 50px;
-}
-ul{list-style: none;}
+.app {max-width: 100%;}
+ul {list-style: none;}
 .toolbar {
   padding: 1px 0;
   margin: 0;
@@ -86,54 +79,53 @@ ul{list-style: none;}
   flex-direction: row;
   display: flex;
 }
-.toolbar>li {
+.toolbar > li {
   display: flex;
   cursor: default;
   position: relative;
 }
-.toolbar>li>span{
+.toolbar > li > span {
   display: flex;
   align-items: center;
   border: solid 1px transparent;
   padding: 0 5px;
   height: 16px;
 }
-.toolbar>li>span:hover:not(.help){
-  border: outset 1px #eee;
-}
-.toolbar>li.open>span{
-  border: inset 1px #eee;
+.toolbar > li > span:hover:not(.help) {border: outset 1px #eee;}
+.toolbar > li.open > span {border: inset 1px #eee;}
+.toolbar > li.open .cancel {
+  position: fixed;
+  top: 0;
+  left: 0;
+  right: 0;
+  bottom: 0;
 }
-.toolbar>li:not(.open)>.menu {display: none;}
-
-.menu{
+.toolbar > li:not(.open) > .menu {display: none;}
+.menu {
   position: absolute;
-  border:solid 1px silver; border-right-color: #000;border-bottom-color: #000;
+  border: solid 1px silver;
+  border-right-color: #000;
+  border-bottom-color: #000;
   background-color: silver;
   top: 100%;
   left: 0;
 }
-.menu>ul{
+.menu hr {
+  border-style: inset;
+  border-width: 1px;
+  margin: 3px 1px 4px 1px;
+}
+.menu > ul {
   border: outset 1px #eee;
   width: 120px;
-  padding: 0;
+  padding: 1px;
 }
-.menu>ul>li{
-  padding: 4px 6px;
-}
-.menu>ul>li>.check{visibility: hidden;}
-.menu>ul>li.checked>.check{visibility: visible;}
-.menu>ul>li:hover{
-  color:white;
+.menu > ul > li {padding: 4px 6px;}
+.menu > ul > li.checked > .check {visibility: visible;}
+.menu > ul > li > .check {visibility: hidden;}
+.menu > ul > li:hover {
+  color: white;
   background-color: #0000a8;
 }
-.check {font-weight:bolder;}
-
-.open .cancel {
-  position: fixed;
-  top: 0;
-  left: 0;
-  right: 0;
-  bottom: 0;
-}
+.check {font-weight: bolder;}
 </style>
diff --git a/app/Minesweeper/Cell.vue b/app/Minesweeper/Cell.vue
new file mode 100644
index 0000000..79b781f
--- /dev/null
+++ b/app/Minesweeper/Cell.vue
@@ -0,0 +1,73 @@
+<template>
+  <button class="cell" :class="[display,{pressed,flag,fixed,triggerDead,question}]"/>
+</template>
+<script>
+export default {
+  name: 'Cell',
+  props: ['data', 'state', 'qmark'],
+  data () {
+    return { open: false, markState: 0, triggerDead: false, pressed: false }
+  },
+  computed: {
+    display () {
+      const { open, data: { mine, adjMine }, state: { dead } } = this
+      if (open) return mine ? 'mine' : 'n' + adjMine
+      if (dead) return ['dead', mine && 'mine']
+      return undefined
+    },
+    flag () { return this.markState === 1 },
+    question () { return this.markState === 2 },
+    fixed () { return this.state.dead || this.state.win || this.open }
+  },
+  watch: {
+    data () { Object.assign(this, this.$options.data()) } // reset component state when data changed
+  },
+  methods: {
+    press (v) {
+      if (this.state.dead || this.open) return
+      this.pressed = v
+    },
+    doOpen () {
+      if (this.fixed || this.flag) return false
+      this.open = true
+      this.markState = 0
+      return true
+    },
+    mark () {
+      if (this.fixed) return false
+      const ret = !this.question
+      this.markState = this.question ? 0 : (this.markState + 1) % (this.qmark ? 3 : 2)
+      return ret // flag changed
+    }
+  }
+}
+</script>
+<style scoped>
+.cell {
+  display: inline-block;
+  border: none;
+  outline: none;
+  width: 16px;
+  height: 16px;
+  margin: 0;
+  padding: 0;
+  background: url(sprite.png) no-repeat 0 -39px;
+}
+.cell.pressed {background-position: 0 -23px;}
+.cell.pressed.question {background-position: -96px -39px;}
+.cell.fixed {background-position: 0 -39px;}
+.cell.question {background-position: -80px -39px;}
+.cell.mine {background-position: -64px -39px;}
+.cell.flag {background-position: -16px -39px;}
+.cell.triggerDead {background-position: -32px -39px;}
+.cell.dead.flag:not(.mine) {background-position: -48px -39px;}
+.cell.n0 {background-position: 0px -23px;}
+.cell.n1 {background-position: -16px -23px;}
+.cell.n2 {background-position: -32px -23px;}
+.cell.n3 {background-position: -48px -23px;}
+.cell.n4 {background-position: -64px -23px;}
+.cell.n5 {background-position: -80px -23px;}
+.cell.n6 {background-position: -96px -23px;}
+.cell.n7 {background-position: -112px -23px;}
+.cell.n8 {background-position: -128px -23px;}
+</style>
diff --git a/app/minesweeper/minesweeper.css b/app/Minesweeper/Minesweeper.css
similarity index 87%
rename from app/minesweeper/minesweeper.css
rename to app/Minesweeper/Minesweeper.css
index c146833..c28bb3c 100644
--- a/app/minesweeper/minesweeper.css
+++ b/app/Minesweeper/Minesweeper.css
@@ -4,6 +4,11 @@
   border: outset 2px #eee;
   padding: 6px;
 }
+.board {border: inset 2px #eee;}
+.board .row {
+  height: 16px;
+  white-space: nowrap;
+}
 .indicator {
   height: 25px;
   border: inset 2px #eee;
@@ -11,8 +16,6 @@
   text-align: center;
   margin-bottom: 6px;
 }
-.board {border: inset 2px #eee;}
-.board .row {height: 16px; white-space: nowrap;}
 .indicator * {background-repeat: no-repeat;}
 .indicator > * {color: transparent;}
 .indicator .smiley {
@@ -23,7 +26,7 @@
   outline: none;
   margin: 0;
   padding: 0;
-  background: url('sprite.png') no-repeat;
+  background: url(sprite.png) no-repeat;
   background-position-y: -55px;
   background-position-x: 0;
 }
@@ -31,13 +34,13 @@
 .indicator .smiley.dead {background-position-x: -78px;}
 .indicator .smiley.win {background-position-x: -104px;}
 .indicator .smiley:active {background-position-x: -26px;}
-.indicator .left {float: left}
-.indicator .right {float: right}
+.indicator .left {float: left;}
+.indicator .right {float: right;}
 .indicator .count {
   width: 13px;
   height: 23px;
   display: inline-block;
-  background: url('sprite.png') no-repeat;
+  background: url(sprite.png) no-repeat;
   background-position-y: 0;
 }
 .indicator .count.n0 {background-position-x: 0;}
diff --git a/app/minesweeper/minesweeper.vue b/app/Minesweeper/Minesweeper.vue
similarity index 79%
rename from app/minesweeper/minesweeper.vue
rename to app/Minesweeper/Minesweeper.vue
index 1176367..c63cb3e 100644
--- a/app/minesweeper/minesweeper.vue
+++ b/app/Minesweeper/Minesweeper.vue
@@ -10,10 +10,10 @@
       <span class="count" v-for="(x,i) of rightNum" :key="i" :class="'n'+x">{{x}}</span>
     </div>
   </div>
-
   <div class="board">
     <div v-for="(row,i) of grid" class="row" :key="i">
-      <cell v-for="data of row" ref="cells" :data="data" :key="data.idx" :state="state"
+      <cell v-for="data of row" ref="cells" :key="data.idx"
+            :data="data" :state="state" :qmark="qmark"
             @mousedown.native="mousedown($event,data)"
             @mouseup.native="mouseup(data)"
             @mouseout.native="mouseout(data)"/>
@@ -23,20 +23,19 @@
 </template>
 <script>
 
-import cell from './cell.vue'
+import Cell from './Cell.vue'
 
 export default {
   name: 'minesweeper',
-  components: { cell },
+  components: { Cell },
+  props: { level: { required: true }, qmark: { default: false } },
   data () {
     return {
       grid: [[]],
       state: { dead: false, win: false },
       gameStart: false,
-      size: [9, 9],
       openCount: 0,
       flagCount: 0,
-      mineTotal: 10,
       timer: 0,
       timerInterval: null,
       mouseBtn: [false, false, false],
@@ -46,7 +45,7 @@ export default {
   computed: {
     ooh () { return this.mouseBtn[0] || this.mouseBtn[1] },
     leftNum () {
-      const n = _.clamp(this.mineTotal - this.flagCount, -99, 999)
+      const n = _.clamp(this.level.mineTotal - this.flagCount, -99, 999)
       return n < 0 ? '-' + _.padStart(Math.abs(n), 2, 0) : _.padStart(n, 3, 0)
     },
     rightNum () {
@@ -54,7 +53,7 @@ export default {
     }
   },
   watch: {
-    async size () { // $refs order problem
+    async 'level.size' () { // $refs order problem
       await this.$nextTick()
       this.$refs.cells.sort((a, b) => a.data.idx - b.data.idx)
     },
@@ -65,17 +64,17 @@ export default {
       } else {
         this.timerInterval = clearInterval(this.timerInterval)
       }
-    }
+    },
+    level () { this.reset() }
   },
   created () { this.reset() },
   destroyed () { clearInterval(this.timerInterval) },
   methods: {
-    reset (size, mineTotal = 0) {
-      if (size) Object.assign(this, { size, mineTotal })
+    reset () {
+      const { mineTotal, size: [height, width] } = this.level
       const adjCoord = [[-1, -1], [-1, 0], [-1, 1], [0, -1], [0, 1], [1, -1], [1, 0], [1, 1]]
-      const [height, width] = this.size
-      const mines = _.times(this.mineTotal, () => true)
-      const empty = _.times(width * height - this.mineTotal, () => false)
+      const mines = _.times(mineTotal, () => true)
+      const empty = _.times(width * height - mineTotal, () => false)
       this.timer = 0
       this.gameStart = false
       this.flagCount = 0
@@ -96,8 +95,13 @@ export default {
       return cell.data.adjIdx.map(x => this.$refs.cells[x])
     },
     checkWin () {
-      const { state: { dead }, flagCount, openCount, $refs: { cells: { length } } } = this
-      if (dead || ((flagCount + openCount) !== length)) return
+      const {
+        state: { dead },
+        level: { mineTotal },
+        $refs: { cells: { length } },
+        flagCount, openCount
+      } = this
+      if (dead || (flagCount !== mineTotal) || ((flagCount + openCount) !== length)) return
       this.win()
     },
     win () {
@@ -124,48 +128,45 @@ export default {
       this.checkWin()
     },
     mark (cell) {
-      if (!cell.mark()) return // mark fail
+      if (!cell.mark()) return // flag not changed
       this.flagCount = _.sumBy(this.$refs.cells, 'flag')
       this.checkWin()
     },
     grabAdj (cell) {
       this.selectedAdj = this.getAdjCellComp(cell)
-      this.selectedAdj.forEach(cell => { cell.active = true })
+      this.selectedAdj.forEach(cell => cell.press(true))
     },
     releaseAdj (cell) {
       if (cell && cell.open && (cell.data.adjMine === _.sumBy(this.selectedAdj, 'flag'))) {
         this.selectedAdj.forEach(cell => this.openPropagation(cell))
       }
-      this.selectedAdj.forEach(cell => { cell.active = false })
+      this.selectedAdj.forEach(cell => cell.press(false))
       this.selectedAdj = []
     },
     mousedown ($event, { idx }) {
       this.$set(this.mouseBtn, $event.button, true)
       const [left, middle, right] = this.mouseBtn
       const cell = this.$refs.cells[idx]
-      cell.active = true
+      if (left || middle) cell.press(true)
       if (middle || (left && right)) this.grabAdj(cell)
     },
     mouseout ({ idx }) {
       const cell = this.$refs.cells[idx]
-      cell.active = false
+      cell.press(false)
       const [left, middle, right] = this.mouseBtn
       if (middle || (left && right)) this.releaseAdj(false)
       if (middle || left || right) this.mouseBtn = [false, false, false]
     },
     mouseup ({ idx }) {
       const cell = this.$refs.cells[idx]
-      cell.active = false
+      cell.press(false)
       const [left, middle, right] = this.mouseBtn
       if (middle || (left && right)) this.releaseAdj(cell)
       else if (left) this.openPropagation(cell)
       else if (right) this.mark(cell)
       this.mouseBtn = [false, false, false]
     }
-  },
-  templateSrc: './minesweeper.html',
-  styleSrc: './minesweeper.css'
+  }
 }
-
 </script>
-<style src="./minesweeper.css" scoped></style>
+<style src="./Minesweeper.css" scoped></style>
diff --git a/app/minesweeper/sprite.png b/app/Minesweeper/sprite.png
similarity index 100%
rename from app/minesweeper/sprite.png
rename to app/Minesweeper/sprite.png
diff --git a/app/boot.mjs b/app/boot.mjs
index 4f4db00..c99ddcf 100644
--- a/app/boot.mjs
+++ b/app/boot.mjs
@@ -1,4 +1,4 @@
-import app from './app.vue'
+import App from './App.vue'
 import Vue from 'vue'
 import './util/filters.mjs'
 import _ from 'lodash'
@@ -6,4 +6,4 @@ import { lodashMixin } from './util/util.mjs'
 
 _.mixin(lodashMixin)
 
-new Vue({ el: 'app', render: h => h(app) }) // eslint-disable-line no-new
+new Vue({ el: 'app', render: h => h(App) }) // eslint-disable-line no-new
diff --git a/app/minesweeper/cell.vue b/app/minesweeper/cell.vue
deleted file mode 100644
index cc500b1..0000000
--- a/app/minesweeper/cell.vue
+++ /dev/null
@@ -1,65 +0,0 @@
-<template>
-  <button class="cell" :class="[display,{active,flag,fixed,triggerDead}]"/>
-</template>
-
-<script>
-export default {
-  name: 'Cell',
-  props: ['data', 'state'],
-  data () {
-    return { open: false, flag: false, triggerDead: false, active: false }
-  },
-  computed: {
-    display () {
-      const { open, data: { mine, adjMine }, state: { dead } } = this
-      if (open) return mine ? 'mine' : 'n' + adjMine
-      if (dead) return ['dead', mine && 'mine']
-      return undefined
-    },
-    fixed () { return this.state.dead || this.state.win || this.open }
-  },
-  watch: {
-    data () { Object.assign(this, this.$options.data()) } // reset component state when data changed
-  },
-  methods: {
-    doOpen () {
-      if (this.fixed || this.flag) return false
-      this.open = true
-      return true
-    },
-    mark () {
-      if (this.fixed) return false
-      this.flag = !this.flag
-      return true
-    }
-  }
-}
-</script>
-
-<style scoped>
-  .cell {
-    display: inline-block;
-    border: none;
-    outline: none;
-    width: 16px;
-    height: 16px;
-    background: url('sprite.png') no-repeat 0 -39px;
-    margin: 0;
-    padding: 0;
-  }
-  .cell.active {background-position: 0 -23px;}
-  .cell.fixed {background-position: 0 -39px;}
-  .cell.mine {background-position: -64px -39px;}
-  .cell.flag {background-position: -16px -39px;}
-  .cell.triggerDead {background-position: -32px -39px;}
-  .cell.dead.flag:not(.mine) {background-position: -48px -39px;}
-  .cell.n0 {background-position: 0 -23px;}
-  .cell.n1 {background-position: -16px -23px;}
-  .cell.n2 {background-position: -32px -23px;}
-  .cell.n3 {background-position: -48px -23px;}
-  .cell.n4 {background-position: -64px -23px;}
-  .cell.n5 {background-position: -80px -23px;}
-  .cell.n6 {background-position: -96px -23px;}
-  .cell.n7 {background-position: -112px -23px;}
-  .cell.n8 {background-position: -128px -23px;}
-</style>
diff --git a/package-lock.json b/package-lock.json
index 7243aee..157261c 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,6 +1,6 @@
 {
   "name": "vue-minesweeper",
-  "version": "0.0.0",
+  "version": "0.0.1",
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
@@ -10,15 +10,15 @@
       "integrity": "sha512-mSB8jWmE/ZeYZHPDEx9hNiiRh5P2V1Q0tObxEQWtxxfXtkIAvPnj7oucGm5SO8Y/QwIlDJgAGqHfj5MCjoKoOg==",
       "dev": true,
       "requires": {
-        "consolidate": "0.15.1",
-        "hash-sum": "1.0.2",
-        "lru-cache": "4.1.5",
-        "merge-source-map": "1.1.0",
-        "postcss": "7.0.13",
-        "postcss-selector-parser": "5.0.0",
+        "consolidate": "^0.15.1",
+        "hash-sum": "^1.0.2",
+        "lru-cache": "^4.1.2",
+        "merge-source-map": "^1.1.0",
+        "postcss": "^7.0.7",
+        "postcss-selector-parser": "^5.0.0",
         "prettier": "1.13.7",
-        "source-map": "0.7.3",
-        "vue-template-es2015-compiler": "1.8.1"
+        "source-map": "^0.7.3",
+        "vue-template-es2015-compiler": "^1.6.0"
       },
       "dependencies": {
         "source-map": {
@@ -103,7 +103,7 @@
       "integrity": "sha512-Mmqx/cS68K1tSrvRLtaV/Lp3NZWzXtOHUW2IvDvl2sihAwJh4ACE0eL6A8FvMyDG9abes3saB6dMimLOs+HMoQ==",
       "dev": true,
       "requires": {
-        "@xtuc/ieee754": "1.2.0"
+        "@xtuc/ieee754": "^1.2.0"
       }
     },
     "@webassemblyjs/leb128": {
@@ -219,7 +219,7 @@
       "integrity": "sha1-63d99gEXI6OxTopywIBcjoZ0a9I=",
       "dev": true,
       "requires": {
-        "mime-types": "2.1.21",
+        "mime-types": "~2.1.18",
         "negotiator": "0.6.1"
       }
     },
@@ -247,10 +247,10 @@
       "integrity": "sha512-RZXPviBTtfmtka9n9sy1N5M5b82CbxWIR6HIis4s3WQTXDJamc/0gpCWNGz6EWdWp4DOfjzJfhz/AS9zVPjjWg==",
       "dev": true,
       "requires": {
-        "fast-deep-equal": "2.0.1",
-        "fast-json-stable-stringify": "2.0.0",
-        "json-schema-traverse": "0.4.1",
-        "uri-js": "4.2.2"
+        "fast-deep-equal": "^2.0.1",
+        "fast-json-stable-stringify": "^2.0.0",
+        "json-schema-traverse": "^0.4.1",
+        "uri-js": "^4.2.2"
       }
     },
     "ajv-errors": {
@@ -295,7 +295,7 @@
       "integrity": "sha512-VT0ZI6kZRdTh8YyJw3SMbYm/u+NqfsAxEpWO0Pf9sq8/e94WxxOpPKx9FR1FlyCtOVDNOQ+8ntlqFxiRc+r5qA==",
       "dev": true,
       "requires": {
-        "color-convert": "1.9.3"
+        "color-convert": "^1.9.0"
       }
     },
     "anymatch": {
@@ -304,8 +304,8 @@
       "integrity": "sha512-5teOsQWABXHHBFP9y3skS5P3d/WfWXpv3FUpy+LorMrNYaT9pI4oLMQX7jzQ2KklNpGpWHzdCXTDT2Y3XGlZBw==",
       "dev": true,
       "requires": {
-        "micromatch": "3.1.10",
-        "normalize-path": "2.1.1"
+        "micromatch": "^3.1.4",
+        "normalize-path": "^2.1.1"
       }
     },
     "aproba": {
@@ -320,7 +320,7 @@
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-        "upath": "1.1.0"
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@@ -929,8 +929,8 @@
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+                "delegates": "^1.0.0",
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@@ -943,7 +943,7 @@
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@@ -1007,7 +1007,7 @@
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-                "strip-ansi": "3.0.1",
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@@ -1038,12 +1038,12 @@
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-                "once": "1.4.0",
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+                "fs.realpath": "^1.0.0",
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@@ -1058,7 +1058,7 @@
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+                "safer-buffer": ">= 2.1.2 < 3"
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@@ -1067,7 +1067,7 @@
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@@ -1076,8 +1076,8 @@
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-                "wrappy": "1.0.2"
+                "once": "^1.3.0",
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@@ -1096,7 +1096,7 @@
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+                "number-is-nan": "^1.0.0"
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@@ -1110,7 +1110,7 @@
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               "dev": true,
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@@ -1123,8 +1123,8 @@
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-                "yallist": "3.0.3"
+                "safe-buffer": "^5.1.2",
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@@ -1133,7 +1133,7 @@
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+                "minipass": "^2.2.1"
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@@ -1156,9 +1156,9 @@
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-                "iconv-lite": "0.4.24",
-                "sax": "1.2.4"
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@@ -1167,16 +1167,16 @@
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-                "rc": "1.2.8",
-                "rimraf": "2.6.3",
-                "semver": "5.6.0",
-                "tar": "4.4.8"
+                "detect-libc": "^1.0.2",
+                "mkdirp": "^0.5.1",
+                "needle": "^2.2.1",
+                "nopt": "^4.0.1",
+                "npm-packlist": "^1.1.6",
+                "npmlog": "^4.0.2",
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+                "rimraf": "^2.6.1",
+                "semver": "^5.3.0",
+                "tar": "^4"
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@@ -1185,8 +1185,8 @@
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-                "abbrev": "1.1.1",
-                "osenv": "0.1.5"
+                "abbrev": "1",
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@@ -1201,8 +1201,8 @@
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-                "npm-bundled": "1.0.5"
+                "ignore-walk": "^3.0.1",
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@@ -1211,10 +1211,10 @@
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-                "console-control-strings": "1.1.0",
-                "gauge": "2.7.4",
-                "set-blocking": "2.0.0"
+                "are-we-there-yet": "~1.1.2",
+                "console-control-strings": "~1.1.0",
+                "gauge": "~2.7.3",
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@@ -1233,7 +1233,7 @@
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               "dev": true,
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+                "wrappy": "1"
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@@ -1254,8 +1254,8 @@
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-                "os-tmpdir": "1.0.2"
+                "os-homedir": "^1.0.0",
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-                "minimist": "1.2.0",
-                "strip-json-comments": "2.0.1"
+                "deep-extend": "^0.6.0",
+                "ini": "~1.3.0",
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@@ -1296,13 +1296,13 @@
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-                "string_decoder": "1.1.1",
-                "util-deprecate": "1.0.2"
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@@ -1311,7 +1311,7 @@
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@@ -1354,9 +1354,9 @@
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-                "is-fullwidth-code-point": "1.0.0",
-                "strip-ansi": "3.0.1"
+                "code-point-at": "^1.0.0",
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@@ -1365,7 +1365,7 @@
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@@ -1373,7 +1373,7 @@
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               "dev": true,
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-                "ansi-regex": "2.1.1"
+                "ansi-regex": "^2.0.0"
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@@ -1388,13 +1388,13 @@
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-                "minizlib": "1.2.1",
-                "mkdirp": "0.5.1",
-                "safe-buffer": "5.1.2",
-                "yallist": "3.0.3"
+                "chownr": "^1.1.1",
+                "fs-minipass": "^1.2.5",
+                "minipass": "^2.3.4",
+                "minizlib": "^1.1.1",
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+                "safe-buffer": "^5.1.2",
+                "yallist": "^3.0.2"
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@@ -1409,7 +1409,7 @@
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-                "string-width": "1.0.2"
+                "string-width": "^1.0.2 || 2"
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@@ -1445,7 +1445,7 @@
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       "dev": true,
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-        "tslib": "1.9.3"
+        "tslib": "^1.9.0"
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@@ -1454,8 +1454,8 @@
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-        "inherits": "2.0.3",
-        "safe-buffer": "5.1.2"
+        "inherits": "^2.0.1",
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@@ -1470,10 +1470,10 @@
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-        "define-property": "0.2.5",
-        "isobject": "3.0.1",
-        "static-extend": "0.1.2"
+        "arr-union": "^3.1.0",
+        "define-property": "^0.2.5",
+        "isobject": "^3.0.0",
+        "static-extend": "^0.1.1"
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@@ -1482,7 +1482,7 @@
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           "dev": true,
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-            "is-descriptor": "0.1.6"
+            "is-descriptor": "^0.1.0"
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@@ -1493,7 +1493,7 @@
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       "dev": true,
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-        "restore-cursor": "2.0.0"
+        "restore-cursor": "^2.0.0"
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@@ -1508,9 +1508,9 @@
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-        "string-width": "2.1.1",
-        "strip-ansi": "4.0.0",
-        "wrap-ansi": "2.1.0"
+        "string-width": "^2.1.1",
+        "strip-ansi": "^4.0.0",
+        "wrap-ansi": "^2.0.0"
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@@ -1525,23 +1525,11 @@
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           "dev": true,
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-            "ansi-regex": "3.0.0"
+            "ansi-regex": "^3.0.0"
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-    "clone-deep": {
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-      "resolved": "https://registry.npmjs.org/clone-deep/-/clone-deep-2.0.2.tgz",
-      "integrity": "sha512-SZegPTKjCgpQH63E+eN6mVEEPdQBOUzjyJm5Pora4lrwWRFS8I0QAxV/KD6vV/i0WuijHZWQC1fMsPEdxfdVCQ==",
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@@ -1554,8 +1542,8 @@
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       "dev": true,
       "requires": {
-        "map-visit": "1.0.0",
-        "object-visit": "1.0.1"
+        "map-visit": "^1.0.0",
+        "object-visit": "^1.0.0"
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@@ -1597,7 +1585,7 @@
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       "dev": true,
       "requires": {
-        "mime-db": "1.37.0"
+        "mime-db": ">= 1.36.0 < 2"
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@@ -1606,13 +1594,13 @@
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       "dev": true,
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-        "accepts": "1.3.5",
+        "accepts": "~1.3.5",
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-        "compressible": "2.0.15",
+        "compressible": "~2.0.14",
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-        "on-headers": "1.0.1",
+        "on-headers": "~1.0.1",
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-        "vary": "1.1.2"
+        "vary": "~1.1.2"
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@@ -1627,9 +1615,9 @@
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       "dev": true,
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-        "inherits": "2.0.3",
-        "readable-stream": "2.3.6",
-        "typedarray": "0.0.6"
+        "inherits": "^2.0.3",
+        "readable-stream": "^2.2.2",
+        "typedarray": "^0.0.6"
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@@ -1644,7 +1632,7 @@
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       "dev": true,
       "requires": {
-        "date-now": "0.1.4"
+        "date-now": "^0.1.4"
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@@ -1653,7 +1641,7 @@
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       "dev": true,
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-        "bluebird": "3.5.3"
+        "bluebird": "^3.1.1"
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@@ -1698,12 +1686,12 @@
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-        "fs-write-stream-atomic": "1.0.10",
-        "iferr": "0.1.5",
-        "mkdirp": "0.5.1",
-        "rimraf": "2.6.3",
-        "run-queue": "1.0.3"
+        "aproba": "^1.1.1",
+        "fs-write-stream-atomic": "^1.0.8",
+        "iferr": "^0.1.5",
+        "mkdirp": "^0.5.1",
+        "rimraf": "^2.5.4",
+        "run-queue": "^1.0.0"
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@@ -1724,8 +1712,8 @@
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       "dev": true,
       "requires": {
-        "bn.js": "4.11.8",
-        "elliptic": "6.4.1"
+        "bn.js": "^4.1.0",
+        "elliptic": "^6.0.0"
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@@ -1734,11 +1722,11 @@
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-        "inherits": "2.0.3",
-        "md5.js": "1.3.5",
-        "ripemd160": "2.0.2",
-        "sha.js": "2.4.11"
+        "cipher-base": "^1.0.1",
+        "inherits": "^2.0.1",
+        "md5.js": "^1.3.4",
+        "ripemd160": "^2.0.1",
+        "sha.js": "^2.4.0"
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@@ -1747,12 +1735,12 @@
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-        "create-hash": "1.2.0",
-        "inherits": "2.0.3",
-        "ripemd160": "2.0.2",
-        "safe-buffer": "5.1.2",
-        "sha.js": "2.4.11"
+        "cipher-base": "^1.0.3",
+        "create-hash": "^1.1.0",
+        "inherits": "^2.0.1",
+        "ripemd160": "^2.0.0",
+        "safe-buffer": "^5.0.1",
+        "sha.js": "^2.4.8"
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@@ -1761,11 +1749,11 @@
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-        "path-key": "2.0.1",
-        "semver": "5.6.0",
-        "shebang-command": "1.2.0",
-        "which": "1.3.0"
+        "nice-try": "^1.0.4",
+        "path-key": "^2.0.1",
+        "semver": "^5.5.0",
+        "shebang-command": "^1.2.0",
+        "which": "^1.2.9"
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@@ -1774,17 +1762,17 @@
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       "dev": true,
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-        "browserify-sign": "4.0.4",
-        "create-ecdh": "4.0.3",
-        "create-hash": "1.2.0",
-        "create-hmac": "1.1.7",
-        "diffie-hellman": "5.0.3",
-        "inherits": "2.0.3",
-        "pbkdf2": "3.0.17",
-        "public-encrypt": "4.0.3",
-        "randombytes": "2.0.6",
-        "randomfill": "1.0.4"
+        "browserify-cipher": "^1.0.0",
+        "browserify-sign": "^4.0.0",
+        "create-ecdh": "^4.0.0",
+        "create-hash": "^1.1.0",
+        "create-hmac": "^1.1.0",
+        "diffie-hellman": "^5.0.0",
+        "inherits": "^2.0.1",
+        "pbkdf2": "^3.0.3",
+        "public-encrypt": "^4.0.0",
+        "randombytes": "^2.0.0",
+        "randomfill": "^1.0.3"
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@@ -1793,16 +1781,16 @@
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       "dev": true,
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-        "loader-utils": "1.2.3",
-        "lodash": "4.17.11",
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-        "postcss-modules-values": "2.0.0",
-        "postcss-value-parser": "3.3.1",
-        "schema-utils": "1.0.0"
+        "icss-utils": "^4.0.0",
+        "loader-utils": "^1.2.1",
+        "lodash": "^4.17.11",
+        "postcss": "^7.0.6",
+        "postcss-modules-extract-imports": "^2.0.0",
+        "postcss-modules-local-by-default": "^2.0.3",
+        "postcss-modules-scope": "^2.0.0",
+        "postcss-modules-values": "^2.0.0",
+        "postcss-value-parser": "^3.3.0",
+        "schema-utils": "^1.0.0"
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@@ -1817,7 +1805,7 @@
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           "dev": true,
           "requires": {
-            "minimist": "1.2.0"
+            "minimist": "^1.2.0"
           }
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@@ -1826,9 +1814,9 @@
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           "dev": true,
           "requires": {
-            "big.js": "5.2.2",
-            "emojis-list": "2.1.0",
-            "json5": "1.0.1"
+            "big.js": "^5.2.2",
+            "emojis-list": "^2.0.0",
+            "json5": "^1.0.1"
           }
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       "dev": true,
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-        "minimalistic-assert": "1.0.1"
+        "minimalistic-assert": "^1.0.0"
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@@ -6700,26 +6622,26 @@
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-        "neo-async": "2.6.0",
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-        "terser-webpack-plugin": "1.2.1",
-        "watchpack": "1.6.0",
-        "webpack-sources": "1.3.0"
+        "acorn": "^6.0.5",
+        "acorn-dynamic-import": "^4.0.0",
+        "ajv": "^6.1.0",
+        "ajv-keywords": "^3.1.0",
+        "chrome-trace-event": "^1.0.0",
+        "enhanced-resolve": "^4.1.0",
+        "eslint-scope": "^4.0.0",
+        "json-parse-better-errors": "^1.0.2",
+        "loader-runner": "^2.3.0",
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+        "memory-fs": "~0.4.1",
+        "micromatch": "^3.1.8",
+        "mkdirp": "~0.5.0",
+        "neo-async": "^2.5.0",
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+        "watchpack": "^1.5.0",
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@@ -6734,8 +6656,8 @@
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-            "esrecurse": "4.2.0",
-            "estraverse": "4.2.0"
+            "esrecurse": "^4.1.0",
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@@ -6744,8 +6666,8 @@
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-            "ajv": "6.7.0",
-            "ajv-keywords": "3.2.0"
+            "ajv": "^6.1.0",
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@@ -6754,8 +6676,8 @@
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-            "source-map": "0.6.1"
+            "source-list-map": "^2.0.0",
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@@ -6766,19 +6688,19 @@
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-        "supports-color": "5.5.0",
-        "v8-compile-cache": "2.0.2",
-        "yargs": "12.0.5"
+        "chalk": "^2.4.1",
+        "cross-spawn": "^6.0.5",
+        "enhanced-resolve": "^4.1.0",
+        "findup-sync": "^2.0.0",
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+        "import-local": "^2.0.0",
+        "interpret": "^1.1.0",
+        "lightercollective": "^0.1.0",
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+        "supports-color": "^5.5.0",
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@@ -6787,7 +6709,7 @@
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           "dev": true,
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-            "has-flag": "3.0.0"
+            "has-flag": "^3.0.0"
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@@ -6798,10 +6720,10 @@
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-        "mime": "2.4.0",
-        "range-parser": "1.2.0",
-        "webpack-log": "2.0.0"
+        "memory-fs": "~0.4.1",
+        "mime": "^2.3.1",
+        "range-parser": "^1.0.3",
+        "webpack-log": "^2.0.0"
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@@ -6819,34 +6741,34 @@
       "dev": true,
       "requires": {
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-        "bonjour": "3.5.0",
-        "chokidar": "2.0.4",
-        "compression": "1.7.3",
-        "connect-history-api-fallback": "1.6.0",
-        "debug": "3.2.6",
-        "del": "3.0.0",
-        "express": "4.16.4",
-        "html-entities": "1.2.1",
-        "http-proxy-middleware": "0.18.0",
-        "import-local": "2.0.0",
-        "internal-ip": "3.0.1",
-        "ip": "1.1.5",
-        "killable": "1.0.1",
-        "loglevel": "1.6.1",
-        "opn": "5.4.0",
-        "portfinder": "1.0.20",
-        "schema-utils": "1.0.0",
-        "selfsigned": "1.10.4",
-        "semver": "5.6.0",
-        "serve-index": "1.9.1",
+        "bonjour": "^3.5.0",
+        "chokidar": "^2.0.0",
+        "compression": "^1.5.2",
+        "connect-history-api-fallback": "^1.3.0",
+        "debug": "^3.1.0",
+        "del": "^3.0.0",
+        "express": "^4.16.2",
+        "html-entities": "^1.2.0",
+        "http-proxy-middleware": "~0.18.0",
+        "import-local": "^2.0.0",
+        "internal-ip": "^3.0.1",
+        "ip": "^1.1.5",
+        "killable": "^1.0.0",
+        "loglevel": "^1.4.1",
+        "opn": "^5.1.0",
+        "portfinder": "^1.0.9",
+        "schema-utils": "^1.0.0",
+        "selfsigned": "^1.9.1",
+        "semver": "^5.6.0",
+        "serve-index": "^1.7.2",
         "sockjs": "0.3.19",
         "sockjs-client": "1.3.0",
-        "spdy": "4.0.0",
-        "strip-ansi": "3.0.1",
-        "supports-color": "5.5.0",
-        "url": "0.11.0",
+        "spdy": "^4.0.0",
+        "strip-ansi": "^3.0.0",
+        "supports-color": "^5.1.0",
+        "url": "^0.11.0",
         "webpack-dev-middleware": "3.4.0",
-        "webpack-log": "2.0.0",
+        "webpack-log": "^2.0.0",
         "yargs": "12.0.2"
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@@ -6856,7 +6778,7 @@
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           "dev": true,
           "requires": {
-            "ms": "2.1.1"
+            "ms": "^2.1.1"
           }
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@@ -6865,12 +6787,12 @@
           "integrity": "sha1-U+z2mf/LyzljdpGrE7rxYIGXZuU=",
           "dev": true,
           "requires": {
-            "globby": "6.1.0",
-            "is-path-cwd": "1.0.0",
-            "is-path-in-cwd": "1.0.1",
-            "p-map": "1.2.0",
-            "pify": "3.0.0",
-            "rimraf": "2.6.3"
+            "globby": "^6.1.0",
+            "is-path-cwd": "^1.0.0",
+            "is-path-in-cwd": "^1.0.0",
+            "p-map": "^1.1.1",
+            "pify": "^3.0.0",
+            "rimraf": "^2.2.8"
           }
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         "globby": {
@@ -6879,11 +6801,11 @@
           "integrity": "sha1-9abXDoOV4hyFj7BInWTfAkJNUGw=",
           "dev": true,
           "requires": {
-            "array-union": "1.0.2",
-            "glob": "7.1.3",
-            "object-assign": "4.1.1",
-            "pify": "2.3.0",
-            "pinkie-promise": "2.0.1"
+            "array-union": "^1.0.1",
+            "glob": "^7.0.3",
+            "object-assign": "^4.0.1",
+            "pify": "^2.0.0",
+            "pinkie-promise": "^2.0.0"
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@@ -6906,7 +6828,7 @@
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           "dev": true,
           "requires": {
-            "has-flag": "3.0.0"
+            "has-flag": "^3.0.0"
           }
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@@ -6915,18 +6837,18 @@
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-            "cliui": "4.1.0",
-            "decamelize": "2.0.0",
-            "find-up": "3.0.0",
-            "get-caller-file": "1.0.3",
-            "os-locale": "3.1.0",
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-            "require-main-filename": "1.0.1",
-            "set-blocking": "2.0.0",
-            "string-width": "2.1.1",
-            "which-module": "2.0.0",
-            "y18n": "4.0.0",
-            "yargs-parser": "10.1.0"
+            "cliui": "^4.0.0",
+            "decamelize": "^2.0.0",
+            "find-up": "^3.0.0",
+            "get-caller-file": "^1.0.1",
+            "os-locale": "^3.0.0",
+            "require-directory": "^2.1.1",
+            "require-main-filename": "^1.0.1",
+            "set-blocking": "^2.0.0",
+            "string-width": "^2.0.0",
+            "which-module": "^2.0.0",
+            "y18n": "^3.2.1 || ^4.0.0",
+            "yargs-parser": "^10.1.0"
           }
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@@ -6935,7 +6857,7 @@
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           "dev": true,
           "requires": {
-            "camelcase": "4.1.0"
+            "camelcase": "^4.1.0"
           }
         }
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@@ -6946,8 +6868,8 @@
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       "dev": true,
       "requires": {
-        "ansi-colors": "3.2.3",
-        "uuid": "3.3.2"
+        "ansi-colors": "^3.0.0",
+        "uuid": "^3.3.2"
       }
     },
     "websocket-driver": {
@@ -6956,8 +6878,8 @@
       "integrity": "sha1-DK+dLXVdk67gSdS90NP+LMoqJOs=",
       "dev": true,
       "requires": {
-        "http-parser-js": "0.5.0",
-        "websocket-extensions": "0.1.3"
+        "http-parser-js": ">=0.4.0",
+        "websocket-extensions": ">=0.1.1"
       }
     },
     "websocket-extensions": {
@@ -6972,7 +6894,7 @@
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       "dev": true,
       "requires": {
-        "isexe": "2.0.0"
+        "isexe": "^2.0.0"
       }
     },
     "which-module": {
@@ -6993,7 +6915,7 @@
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       "dev": true,
       "requires": {
-        "errno": "0.1.7"
+        "errno": "~0.1.7"
       }
     },
     "wrap-ansi": {
@@ -7002,8 +6924,8 @@
       "integrity": "sha1-2Pw9KE3QV5T+hJc8rs3Rz4JP3YU=",
       "dev": true,
       "requires": {
-        "string-width": "1.0.2",
-        "strip-ansi": "3.0.1"
+        "string-width": "^1.0.1",
+        "strip-ansi": "^3.0.1"
       },
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         "is-fullwidth-code-point": {
@@ -7012,7 +6934,7 @@
           "integrity": "sha1-754xOG8DGn8NZDr4L95QxFfvAMs=",
           "dev": true,
           "requires": {
-            "number-is-nan": "1.0.1"
+            "number-is-nan": "^1.0.0"
           }
         },
         "string-width": {
@@ -7021,9 +6943,9 @@
           "integrity": "sha1-EYvfW4zcUaKn5w0hHgfisLmxB9M=",
           "dev": true,
           "requires": {
-            "code-point-at": "1.1.0",
-            "is-fullwidth-code-point": "1.0.0",
-            "strip-ansi": "3.0.1"
+            "code-point-at": "^1.0.0",
+            "is-fullwidth-code-point": "^1.0.0",
+            "strip-ansi": "^3.0.0"
           }
         }
       }
@@ -7040,7 +6962,7 @@
       "integrity": "sha1-X8A4KOJkzqP+kUVUdvejxWbLB1c=",
       "dev": true,
       "requires": {
-        "mkdirp": "0.5.1"
+        "mkdirp": "^0.5.1"
       }
     },
     "xregexp": {
@@ -7073,18 +6995,18 @@
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       "dev": true,
       "requires": {
-        "cliui": "4.1.0",
-        "decamelize": "1.2.0",
-        "find-up": "3.0.0",
-        "get-caller-file": "1.0.3",
-        "os-locale": "3.1.0",
-        "require-directory": "2.1.1",
-        "require-main-filename": "1.0.1",
-        "set-blocking": "2.0.0",
-        "string-width": "2.1.1",
-        "which-module": "2.0.0",
-        "y18n": "4.0.0",
-        "yargs-parser": "11.1.1"
+        "cliui": "^4.0.0",
+        "decamelize": "^1.2.0",
+        "find-up": "^3.0.0",
+        "get-caller-file": "^1.0.1",
+        "os-locale": "^3.0.0",
+        "require-directory": "^2.1.1",
+        "require-main-filename": "^1.0.1",
+        "set-blocking": "^2.0.0",
+        "string-width": "^2.0.0",
+        "which-module": "^2.0.0",
+        "y18n": "^3.2.1 || ^4.0.0",
+        "yargs-parser": "^11.1.1"
       },
       "dependencies": {
         "decamelize": {
@@ -7101,8 +7023,8 @@
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       "dev": true,
       "requires": {
-        "camelcase": "5.0.0",
-        "decamelize": "1.2.0"
+        "camelcase": "^5.0.0",
+        "decamelize": "^1.2.0"
       },
       "dependencies": {
         "camelcase": {
diff --git a/package.json b/package.json
index 08d4aa4..17b4393 100644
--- a/package.json
+++ b/package.json
@@ -1,7 +1,7 @@
 {
   "name": "vue-minesweeper",
   "private": true,
-  "version": "0.0.0",
+  "version": "0.0.1",
   "description": "Vue Minesweeper",
   "keywords": [],
   "devDependencies": {
@@ -10,7 +10,6 @@
     "file-loader": "^3.0.1",
     "lodash": "^4.17.11",
     "push-dir": "^0.4.1",
-    "sass-loader": "^7.1.0",
     "standard": "^12.0.1",
     "style-loader": "^0.23.1",
     "vue": "^2.5.22",