added item in TODO.md
Updated README.md
Updated the edit script to include Gruntfile.js, TODO.md and README.md
Fixed the TODOs and added spec file for XplusYeqZ
refactoring
some more work
fixing small issue in depthfirstserch
Fixing getId bug
Merge branch 'refactoring' into dev
Fixing typo
Changing return values from true/false to -1/0/1 (notSatisfied/no change/has changed)
Changed the fdv API, now exepts a domain array aswell (not tested though)
Fixing the XplusYeqZ with one Number, adding the N Queens problem
optimizing dirtbag