* adding ranged number type, for use in stats
* Loaded Skills.txt
* asset manager only binds terminal commands if terminal != nil
* WIP stats
* cache getter and clear methods were not implemented
* asset manager handles a nil terminal pointer
* adding skilldesc.txt loader (needs work)
* ctc stat descriptions functions working
* moving description functionality out of itemstatcost loader and into stats
* stats seem like a central part of diablo, moving into d2core.
* stats seem like a central part of diablo, moving into d2core.
* delint
* adding statlist, statlist reduction, unit tests
* minor edits to stat.go
* lint error in statlist.go
* Remove dependency on actual data from mpq files
stats unit tests now use mock data
* fixing some lint errors, formatting
Co-authored-by: Maxime Lavigne (malavv) <duguigne@gmail.com>
