* Some game enums moved to utils/enums. Others can eventually be moved there as well.
* findEnumMember function for performing fuzzy matching of player input with enum members, without needing separate fuzzy functions for every enum.
* Also used findEnumMember for safely loading save games (allows case changes in enum values)
* Changed capitalization on some enums.
* BREAKING: removed classGains work formulas function
* Split ClassType enum into UniversityClassType and GymType.
* Added universityGains and gymGains work formulas functions
* Provided the new split enums to the player on ns.enums.
