Attempt to fix the build script

appveyor.yml

@@ -44,11 +44,20 @@ skip_commits:
 
 after_build:
 - ps: |
-    If($env:Deploy -eq 'true') 
+    $deployBranches =
+        "feature/v4",
+        "develop",
+        "master";
+
+    If(($env:APPVEYOR_REPO_BRANCH -in $deployBranches -Or $env:APPVEYOR_REPO_COMMIT_MESSAGE -Match '!deploy') -And $env:APPVEYOR_REPO_COMMIT_MESSAGE -NotMatch '!build') 
     {
       Get-ChildItem .\*.zip | % { Push-AppveyorArtifact $_.FullName -FileName $_.Name }
       Get-ChildItem .\*.gz | % { Push-AppveyorArtifact $_.FullName -FileName $_.Name }
     }
+    Else 
+    {
+      Write-Output "No Deployment"
+    }
 
 #cache:
 #- '%USERPROFILE%\.nuget\packages'