* libsisyphus && sisyphus-cli :

  * fix a bug when packages with identical names but different categories would fail to unpack
  * fix a race condition in dependency resolver code
  * fix a bug updating the git trees
  * implement the ability to change branches
  * implement a binary cache auto-cleaning mechanism
  * make hybrid default installation option
* sisyphus-gui :
  * implement a progress box with realtime output
  * make use of 'Breeze' style if available, fallback to 'Fusion' otherwise
  * don't let the input box loose focus while performing some actions