Fix typos + gitignore

.gitignore

@@ -1,2 +1,3 @@
 bin/dice
 *.aof
+.vscode/

core/stackint.go

@@ -59,7 +59,7 @@ func (s *StackInt) Push(x int64) {
 }
 
 // Pop Pops an integer from the Stack s.
-func (s *StackInt) Remove() (int64, error) {
+func (s *StackInt) Pop() (int64, error) {
 	var val int64
 	bn := s.list.tail
 

core/stackint_test.go

@@ -15,7 +15,7 @@ type stackinttcase struct {
 }
 
 func TestStackInt(t *testing.T) {
-	qi := core.NewStackInt()
+	si := core.NewStackInt()
 	for _, tc := range []stackinttcase{
 		{'i', 1, []int64{1}, nil},
 		{'i', 2, []int64{2, 1}, nil},
@@ -54,16 +54,16 @@ func TestStackInt(t *testing.T) {
 		var err error
 		switch tc.op {
 		case 'i':
-			qi.Push(tc.val)
+			si.Push(tc.val)
 		case 'r':
-			_, err = qi.Remove()
+			_, err = si.Pop()
 		}
 
 		if err != tc.err {
 			t.Errorf("we expected the error: %v but got %v", tc.err, err)
 		}
 
-		obsList := qi.Iterate(50)
+		obsList := si.Iterate(50)
 		if !testutils.EqualInt64Slice(tc.list, obsList) {
 			t.Errorf("queueint test failed. should have been %v but found %v", tc.list, obsList)
 		}