Fast-RTTI

This library implements fast RTTI for C++.

Tests:

[Direct type casting]

dynami_cast: 202ms | RTTI::dyn_cast: 54ms

[Possible type casting]

dynami_cast: 193ms | RTTI::dyn_cast: 41ms

[Not possible type casting]

dynami_cast: 489ms | RTTI::dyn_cast: 43ms