Minor Sig Changes
Merge branch 'Satisfier'
Merge branch 'Satisfier'
removed pivot variable for now
Merge branch 'master' of https://github.com/nicschumann/set
added return statement to ConstraintSet.constrain method
Added KeyEvent to keyPressed and keyReleased methods
Fixed small deletion bug
Merge branch 'Satisfier'
Merge branch 'master' into Satisfier