More small changes

redid the equipItem and use Item functions in the Character class
created a new variable called isEquipt in the Item class
created new functions equipItem, unequipItem, and isEquipt in the Item
class
Fixed some small spacing details and changed a few variable names for
consistency
AI Tally Variables and getter for Item name
Finished up the Character and Item classes
Merge remote-tracking branch 'origin/master' into JohnDev-Branch