Main changes since Alpha 0

• Addes Importing and exporting packages feature, now renamed to Package Bundles
  • Bundles can now be edited
  • Packages can now be added one (or multiple) at a time. No need to bulk-select all of them
  • Bundles can be exported as XML (in addition to already existing JSON and XAML) too.
• Package backups do work now
• Sources can be added and removed
• Package details will show.
• Fix crashes and improve overall program