Refactoring

Added universal randomizer
Added HitCalculator Documentation
Added Accademy Method Study() and constant Name
Added Accademy Documentation
Fixing Arrena
Adding Documentation to Arrena
Added methods Attack and Get damage
Revert "Refactoring"

This reverts commit dff8f37cb56753b3c9061d46d38ffbc3cfb7729b.
Refactoring:
Added universal randomizer
Added HitCalculator Documentation
Added Accademy Method Study() and constant Name
Added Accademy Documentation
Fixing Arrena
Adding Documentation to Arrena
Added methods Attack and Get damage
Merge branch 'master' of https://github.com/JamesJoyceTeam-TheNinjaGame/NinjaRPG.git