updated to v1.55, many performance improvements, new backup features, fixed forces closes....many more. For detailed description look @ xda thread
Little code Cleanup. Same version v1.55
created README for devel branch
New version v1.56:
1) Added the ability to disable/enable Task-Killer
2) Removed backup/recovery feature from preferences
3) Many GUI fixed and some new styles
4) Added nl translation, thanks to kaizokan
5) Minor bugfixes
v1.56 - same version as before, enabled framework check
Update to v1.57 contains following:

1) Dialog size fixed for all devices (especially low res devices)
2) Fixed GUI glitches in log
3) Fixed missing translation strings
4) Implemented Settings changed algorithm with 'discard' and 'save' function
5) Fixed Custom Dialog doesn't pop up after set Permission to Custom
6) Added russian translation
7) Added german translation
8) Minor bugfixes
Merge devel branch with stable branch, because application should be stable now