added ability to erase board, investigating gtk
modified checkBoard to return a list of locations that are in error instaed of pairs.
committing before I accidentally delete the file again
Merge branch 'gtk' of github.com:andrewmichaud/sudoku-linux into gtk
can now create all fields for gui board. investigating how to add them all efficiently
Entries added properly and they work!
entries added to grid properly, and validateEntry is applied to all of them
plausible gui. still working on what everything should be (Fields, buttons, etc)
added info to squares to track original values. added reset and erase square moves valid moves
renamed SudokuBoard to Board.hs.  Made changes in gtkTest so that cells are visually separated as is typical for Sudoku boards
tweaked board some more, looks pretty nice now
input validation works better
can create game window from controller.hs. gonna clean it up a bit and then i\'ll probably merge to develop
can quit
basic argument processing, graphical and non-graphical branches