Added unit tests for LowerUnderscoredWords
Added unit tests for LowerUnderscoredWords

https://github.com/exceptionless/Exceptionless.Net/issues/2

exceptionless/Exceptionless,exceptionless/Exceptionless,adamzolotarev/Exceptionless,exceptionless/Exceptionless,adamzolotarev/Exceptionless,exceptionless/Exceptionless,adamzolotarev/Exceptionless