Upgraded ezEngine from rev. 272 to rev. 380
Adjusted implementation to ezEngine API changes.
Implemented == operator and toString of SchemeNumber.
Implemented SchemeNumber_t<...>::toString
Implemented toString for scheme numbers. Made subclasses for int, uint, and float that handle proper formatting of the string.
Added more unittests for SchemeNumberTests::ToString.
Reduced internal static default buffer size from 128 to 32 for SchemeNumber_t<...>::toString(...)
Added more construction unittests for numbers.