added a usage example
Merge branch 'gh-pages' of github.com:Pomax/DOM-diff into gh-pages
updated copy
Split up the test cases into separate files

Added the roughlyEqual test cases as well
Merge pull request #35 from maronin/roughlyEqualTests2

Split up the test cases into separate files
Changed the names of some variables to make more sense
Merge branch 'gh-pages' of https://github.com/Pomax/DOM-diff into gh-pages
Live demo works with the current library