Removed call to (inexistent) lua_call
[native] Fixed UTF8 encoding when using P/Invoke on Windows.
[lnet] Added  method LuaNetGetMainState to get the LuaState from mainthread inside corountines.
[lnet] Fixed Debug Hook callback (usingn a cdecl) trampoline https://github.com/NLua/NLua/issues/56
[lua] Bump submodule.
[build] Added Android script build
- Changed Win64 build to VS2013
[version] Version Update.