Adding gitversion tool version and explicit dotnet pack

Author: robdmoore

appveyor.yml

@@ -10,7 +10,7 @@ before_build:
 - ps: >-
     dotnet restore
 
-    dotnet tool install -g GitVersion.Tool
+    dotnet tool install -g GitVersion.Tool -version 4.0.1-beta1-58
 
     dotnet gitversion /output buildserver
 
@@ -26,10 +26,9 @@ dotnet_csproj:
 build:
   parallel: true
   verbosity: minimal
-  publish_nuget: true
 after_build:
 - ps: >-
-    #dotnet pack $Env:APPVEYOR_PROJECT_NAME/$Env:APPVEYOR_PROJECT_NAME.csproj --configuration Release /p:Version="$Env:GitVersion_NuGetVersion"
+    dotnet pack $Env:APPVEYOR_PROJECT_NAME/$Env:APPVEYOR_PROJECT_NAME.csproj --configuration Release /p:Version="$Env:GitVersion_NuGetVersion"
 
     $currentCommitIsTagged = git tag -l --points-at HEAD