Cleaning out some of the fancy compiling/testing stuff that I don't know how to use and adding a new example html file that combines all the desireable feature as I add more things of awesomeness.
undo and redo buttons
default background color, erase works correctly, clear operation
line tool
whatever docs i don't need em
i forgot how to compile coffeescript so here is a script to do it in the future, even though it's actually pretty simple
destroy that foul file
is that better? this is intridea's sketch.coffee now
updated code with intridea's changes and with ktuite's line and undo and redo