Log Message:
Update to 1.50:

Version 1.50
* 11 new logic games, 4 new calculation trainers, 13 verbal analogies
* Usability enhancements from Alexandre Laplante and Jeff Stewart, students from \ 
University of Ottawa
* Unit testing for the gbrainy.Core
* Ability to define external logic puzzles using an xml file (games.xml)
* Command line support
* 7 bug fixes