Added Class-Overview class diagram.
Updated UML diagrams.
Updated UML diagrams.
Implemented PrunningIterator.
Merge remote-tracking branch 'origin/seth'
Got UI started displaying with a tester.
Added login screen to UI.
Updated UI.
Merge remote-tracking branch 'origin/seth'
Adapted Inventory to work with deserialization and Singleton Pattern.
Updated UML to take advantage of Inventory's Singleton pattern.
Updated UI to expect String from cartSystem.login().
Merge remote-tracking branch 'origin/seth'
Merge pull request #9 from jr-news/master

Sync with master