Add explicit backspace and delete actions
Move flipDir and setCurrentSquare closer to other keyable commands
Add it function
Describe keyable commands
Sass color variables
Functions passed to getFarthestValidCellInDirection can return early
Add move/erase by word (i.e., consecutive non-empty cells)
Slight cleanup in defining arrow key bindings
Changed erase by clue on Mac to command+backspace/delete (instead of option+backspace/delete)
Added option+arrow (move by word) and option+backspace/delete (erase by word) on Mac
Changed home/end on Mac to move to start/end of puzzle
Changed ctrl+backspace/delete on Win to erase by word (instead of by clue)
Changed move by clue on Mac to command+arrow (instead of shift+arrow)
Align things in KeyManager
Note missing bindings
Merge branch 'key-changes' into keys
Merge branch 'keys' into desc-commands
Describe commands for move/erase by word; could use better wording
Fix move/erase by word logic (see c8a75aa)
Fix coffeescript precedence bug