Minor formatting changes.
Removed unused imports.
Added in Javadocs and other comments, no code changes.
Formatting rejig.
Added comments to the other remaining classes. So I should understand what it does now....
Added in new classes and reworked schema to facilitate the next stage of GUI development.
Altered project so that Source is now JDK 1.7 to take advantage of new features.
Minor Changes
Add a get Back button method
Added an actionListener to the Back Button to endow it with functionality.