Really get artifact publishing working this time. (#108)

Author: Choc13

appveyor.yml

@@ -12,11 +12,15 @@ build_script:
     - dotnet build -c Release -p:Version=%GitVersion_NuGetVersion%
 test_script:
     - dotnet test -c Release --no-build
+artifacts:
+    - name: NuGet
+      path: .\**\*.nupkg
+    - name: Symbols
+      path: .\**\*.snupkg
 deploy:
     - provider: NuGet
       api_key:
           secure: +CD+4G+gMInD/BjNvO24NW9u1udGdsx0fUi6bh0muNezQ9fP0sHnS1f96f0OXUy6
-      artifact: .\**\*.s?nupkg
       on:
           branch:
               - master