Some changes and improvements

The way to Alpha...

- Added interfaces to control async operations
- Edited GUI-interface
- Worked the installer a bit out
- Almost finished the library
- Improved code
- Added project edit dialog which is half ready
- Improved package selection in overview
- Added new code parts for functions
- Removed old stuff
- Changedthe error dialogs to popups in the library
- Added system icons when adding files to a package
- more...

Do NOT use this software yet, it is incomplete and not able to update.
Please wait for the alpha.