fix appveyor

appveyor.yml

 # Based on https://github.com/ogrisel/python-appveyor-demo/blob/master/appveyor.yml
+version: '{build}'
 
 environment:
   global:
@@ -68,18 +69,28 @@ after_test:
   - pyinstaller beempy-onedir.spec
   - copy /Y C:\OpenSSL-Win64\bin\libeay32.dll dist\beempy
   - copy /Y C:\OpenSSL-Win64\bin\ssleay32.dll dist\beempy
-  - 7z a dist\beempy.zip %APPVEYOR_BUILD_FOLDER%\dist\beempy
-  - 7z a -m0=LZMA2 -mx9 dist\beempy.7z %APPVEYOR_BUILD_FOLDER%\dist\beempy
+  - 7z a beempy.zip %APPVEYOR_BUILD_FOLDER%\dist\beempy
+  - 7z a -m0=LZMA2 -mx9 $env:BUILD %APPVEYOR_BUILD_FOLDER%\dist\beempy
   #- "%CMD_IN_ENV% python setup.py bdist_wininst"
   #- "%CMD_IN_ENV% python setup.py bdist_msi"
 
   - ps: | # generate sha256 hashes
-    (get-filehash dist\beempy.7z -algorithm SHA256).Hash | out-file "dist\beempy.7z.sha256"-encoding ascii
-    (get-filehash dist\beempy.zip -algorithm SHA256).Hash | out-file "dist\beempy.zip.sha256" -encoding ascii 
+    (get-filehash $env:BUILD -algorithm SHA256).Hash | out-file ("{0}.sha256" -f $env:BUILD) -encoding ascii
+    (get-filehash beempy.zip -algorithm SHA256).Hash | out-file "beempy.zip.sha256" -encoding ascii 
 
   - ps: "ls dist"
 
 artifacts:
   # Archive the generated packages in the ci.appveyor.com build report.
-  - path: dist\*
+  - path: $(BUILD)
+    name: beempy
+  - path: $(BUILD).sha256
+    name: beempy sha256 hash
+  - path: beempy.zip
+    name: beempy_zip
+  - path: beempy.zip.sha256
+    name: beempy_zip sha256 hash
 
+on_finish: 
+- ps: | # update appveyor build version, done last to prevent webhook breakage
+    update-appveyorbuild -version $env:AVVER
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