experimenting with building a nuget package
Finished the bildpackage.bat
ISSUE-65 Added new NonceGenerator static class with a ThreadSafeNonce
Have also added tests using Parallel.For to show concurrent runs giving unique nonces, and an Explicit test to show how the old method could produce duplicate nonces.
Changed RNGCryptoServiceProvider to be a static singleton
Merge pull request #64 from AnthonySteele/master

nuget package building
Merge pull request #66 from gregsochanik/nonce-watch

Added new NonceGenerator static class with a ThreadSafeNonce
Merge branch 'master' into async_dotnet45