Closes#111 - fixed
Closes#110 - need to test exactly how much extra speed was gained
Closes#108 - seems to be fixed, albeit std::mutex is a butt on VC++
sol::this_state is a transparent argument that gets the current state at any position in any callback
sol::variadic_args allows a person to get something that can reference the "rest of the arguments", though it doesn't enforce that it has to be the last argument
Closes#57Closes#59Closes#60