changed the arrangement of buttons and added prime and space buttons
changed the look of the space symbol
Added an "Add Column" button and changed JLabels to JTextFields
Merge branch 'master' of ssh://github.com/PeterDrake/Logic
Merged Peter's codereview
Updated error handling, fixed wff checking
fixed the space bar adding the last character clicked
Merge branch 'master' of ssh://github.com/PeterDrake/Logic

* 'master' of ssh://github.com/PeterDrake/Logic:
  Merged Peter's codereview
  Added an "Add Column" button and changed JLabels to JTextFields
added conditional and biconditional
Quantificational logic input canvas done
Quantificational logic input canvas done, added the files
Merge branch 'master' into QLogicButtons
Updated wffchecker error handling
Merge branch 'wffchecker-buttonpanel' of ssh://github.com/PeterDrake/Logic into QLogicButtons
Added TruthTableColumn.java
removed commented out code and added class for testing TFButtonPanel and one for QButtonPanel
Merge branch 'master' into QLogicButtons
Merge branch 'master' into TruthTableChecker
Merged from master
Merge branch 'master' into TruthTableChecker