* Made Sheer Cold not affect Ice Types, as well as implementing the Gen VII change of 20% for non ice types.
* Pushed accurancy change
* Updated and separated the accuracy attribute and the Ice no effect attribute
* Fixed the OHKO attribute (accidentally removed) and fixed multiplier
* Updated attribute names, as well as making the move cancelled instead of 0x multiplier
* Added TSDoc comments
* Updated accuracy logic
* Changed the text response for Sheer Cold immunity
* Added immune to the HitResult enum
