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
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
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
enter key now submits the formula