Version 0.4
- Ability to save/load parameters to/from external files have been implemented
- Tree generation time reduced (Quaken Aspen generation takes about 32s in
  v0.3, in v0.4 it takes around 15s on AMD Athlon 64 2800+).
- Small bugfixes

Version 0.3
- Leaves generation implemented
- Tree parameters import from "Arbaro" xml files added
- Branch count calculation have been modified for trunk branches
- Workaround for bug which cause random module importing to fail
  implemented
- support for negative values of 'nRotate' parameter implemented

Version 0.2
- Tree generation time reduced (sometimes up to ~1.5 times)
- Bug which leads to 'index out of range' error while using 'Levels == 4'
  have been fixed
- TAB-ordering in GUI corrected

Version 0.1
- Initial release

