Creatad Custom Casilla Widget
added mouse scroll event handler
fixed typos
fixed typo
defined interface
implemented Stubs
Sudoku field generation is now complete
added Cache
corrected main bug
added documentation
started Documentation
utf-8

Changed the language decoder to utf-8, do not count this into the total
world count.
add getAllCasillas funcion
Merge branch 'master' of github.com:luifevas/PySudoku
added new helper function getAllCasillas
ignore files started with . in rootdir
Merge branch 'master' of github.com:luifevas/PySudoku
deleted eclipse settings