Fix the unit test in order to improve the codecoverage:
-position.py
-writerCSV.py
-writerTXT.py
Also I added the test for commands Quit.py and PrintCommand.py
Negative testing has been added to the console.py
gitignore file
Merge branch 'master' of https://github.com/pysudoku/sudoku

Conflicts:
	src/sudoku/console/console.py
	src/sudoku/game/PrintCommand.py