diff --git a/.appveyor.yml b/.appveyor.yml
index 9ec578b..629f3bd 100644
--- a/.appveyor.yml
+++ b/.appveyor.yml
@@ -1,7 +1,9 @@
 version: '{build}'
 pull_requests:
   do_not_increment_build_number: true
-skip_branch_with_pr: true
+branches:
+  except:
+  - ci/travis
 image: Visual Studio 2017
 environment:
   MYGET_API_KEY:
@@ -25,4 +27,4 @@ artifacts:
 - path: artifacts\**\*.nupkg
 deploy: off
 on_success:
-- ps: codecov -X gcov --required --file $(Get-ChildItem "./artifacts" -Name "coverage-result.xml" -File | select -First 1)
+- ps: codecov -X gcov --required --file $(Get-ChildItem "./artifacts" -Filter "coverage-result.xml" -File -Recurse | select -Last 1 -expand FullName)
diff --git a/.build/tools.cake b/.build/tools.cake
index eaca945..36dc47d 100644
--- a/.build/tools.cake
+++ b/.build/tools.cake
@@ -1,4 +1,4 @@
 #tool "nuget:?package=gitreleasemanager&version=0.6.0"
 #tool "nuget:?package=GitVersion.CommandLine&version=3.6.5"
 #tool "nuget:?package=OpenCover&version=4.6.519"
-#tool "nuget:?package=ReportGenerator&version=2.5.5"
+#tool "nuget:?package=ReportGenerator&version=2.5.8"
diff --git a/.travis.yml b/.travis.yml
index 1fba61b..8698491 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -4,17 +4,16 @@ env:
     global:
         - CONFIGURATION=Release
 
-matrix:
-    include:
-        - os: osx
-          osx_image: xcode7.3
-          dotnet: 1.0.1
-          mono: 4.0.5
-        - os: linux
-          dist: trusty
-          sudo: required
-          dotnet: 1.0.1
-          mono: 4.0.5
+os:
+  - osx
+  - linux
+osx_image: xcode7.3
+dist: trusty
+sudo: required
+mono:
+  - 4.2.3
+  - latest
+dotnet: 1.0.1
 
 branches:
     except:
diff --git a/src/Cake.Transifex/TransifexMode.cs b/src/Cake.Transifex/TransifexMode.cs
index 6c4ec07..28bf3ec 100644
--- a/src/Cake.Transifex/TransifexMode.cs
+++ b/src/Cake.Transifex/TransifexMode.cs
@@ -8,16 +8,38 @@ public enum TransifexMode
         /// <summary>
         /// Only pull down reviewed translations.
         /// </summary>
+        /// <remarks>
+        /// All translations that have not been reviewed will either be empty, or be in the source
+        /// language (depending on the file format used)
+        /// </remarks>
         Reviewed,
 
         /// <summary>
         /// Pull down all translations, whether they have been translated or not.
         /// </summary>
+        /// <remarks>These are files suitable for usage by developers in their source code tree.</remarks>
         Developer,
 
         /// <summary>
         /// Pull down all completed translations, whether they have been reviewed or not.
         /// </summary>
-        Translator
+        /// <remarks>These are files suitable for offline translation of the resource(s).</remarks>
+        Translator,
+
+        /// <summary>
+        /// Pull down only strings that have been translated.
+        /// </summary>
+        OnlyTranslated,
+
+        /// <summary>
+        /// Pull down only strings that have been translated and reviewed.
+        /// </summary>
+        OnlyReviewed,
+
+        /// <summary>
+        /// Pull down both translated and untranslated strings (untranslated strings will be set to
+        /// the value of the source).
+        /// </summary>
+        SourceAsTranslation
     }
 }
diff --git a/tests/Cake.Transifex.Tests/TransifexPullRunnerTests.cs b/tests/Cake.Transifex.Tests/TransifexPullRunnerTests.cs
index a17ee6e..0d88e91 100644
--- a/tests/Cake.Transifex.Tests/TransifexPullRunnerTests.cs
+++ b/tests/Cake.Transifex.Tests/TransifexPullRunnerTests.cs
@@ -90,6 +90,9 @@ public void Evaluate_SetsMinimumPercWhenNotNull()
         [InlineData(TransifexMode.Developer)]
         [InlineData(TransifexMode.Reviewed)]
         [InlineData(TransifexMode.Translator)]
+        [InlineData(TransifexMode.OnlyTranslated)]
+        [InlineData(TransifexMode.OnlyReviewed)]
+        [InlineData(TransifexMode.SourceAsTranslation)]
         public void Evaluate_SetsModeWhenNotNull(TransifexMode mode)
         {
             var expected = mode.ToString().ToLowerInvariant();
diff --git a/tools/packages.config b/tools/packages.config
index 5657d95..a4d70bc 100644
--- a/tools/packages.config
+++ b/tools/packages.config
@@ -1,4 +1,4 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
-    <package id="Cake" version="0.18.0" />
+    <package id="Cake" version="0.19.5" />
 </packages>