Merge pull request #1 from raistlinthewiz/master

Added optional params support. -RastlinTheWiz
JsonRpcTest
Added basic tests for CLR base types using array syntax for optional params
Lots more tests. Fixed support of optional parameters for requests using Object syntax
Tests for 2nd parameter missing while first parameter is passed
More tests
Improved InProcessClient significantly
JsonRpcProcessor.Process is now Awaitable and returns a Task
Fixed some casing
Add ParseExceptionHandler. see Config.SetParseExceptionHandler()
#11 added methods to let your unregister a service, or a single method from the service.
Merge branch 'master' of https://github.com/Astn/JSON-RPC.NET into upstream-merge
Added gitignore.
Renamed TestSever.csproj to TestServer.csproj.
This time really added .gitignore and TestServer.csproj.
Merge pull request #1 from CoiniumServ/upstream-merge

Upstream merge