Add WinRT alpha
Revert "Add WinRT alpha"

This reverts commit 8df6448c85ebe0aeb49adac19461333f8e26304b.
Fix Int64 and UInt64 reader
fixed ByteArray Int32 write for negative values
Merge branch 'master' of github.com:Kelindar/spike-build
JavaScript Int32 fix is in the right place now
Merge branch 'Fabian' of github.com:Kelindar/spike-build into Fabian