Change package names
Add ProgBar interface
Make CubeMaker non-static
Add GUI for file/dir choice
Add cube making functionality to GUI
Fix progress bar updates
Save previous file/dir paths
Add Card class
Fix card count&set handling
Implement findBothInFile method
Refactoring expansion->set
Add ImageIndex class
Change ImageIndex to use ArrayList for set list
Only save a single set/card in index
Add caching by set
Improve UI appearance
Add support for versioned printing
Merge branch 'develop'