fix stackoverflow issues

update-projectjson.ps1

@@ -0,0 +1,8 @@
+Get-ChildItem -Path $ENV:APPVEYOR_BUILD_FOLDER -Recurse –File -Filter project.json | foreach {
+    $jsonFile = Get-Content $_.FullName -raw | ConvertFrom-Json
+    if($jsonFile.version)
+    {
+        $jsonFile.version = $ENV:APPVEYOR_BUILD_VERSION
+        $jsonFile | ConvertTo-Json -Depth 999 | Out-File $_.FullName
+    }
+}