Commands must have newlines.

appveyor.yml

@@ -15,9 +15,13 @@ build:
 
     NuGet.exe restore TimberWinR.sln
 build:
+  verbosity: minimal
 after_build:
+- ps: >-
     cat chocolateyInstall.ps1.template|%{$_-replace "\$\{version\}",$env:VERSION_FROM_BRANCH} > tools\chocolateyInstall.ps1
+
     cat chocolateyUninstall.ps1.template|%{$_-replace "\$\{version\}",$env:VERSION_FROM_BRANCH} > tools\chocolateyUninstall.ps1
+    
 	cat tools\chocolateyUninstall.ps1
     
 	cat timberwinr.nuspec.template|%{$_-replace "\$\{version\}",$env:VERSION_FROM_BRANCH} > timberwinr.nuspec