add min-width and min-height properties
improved saving CodePrinter to window
improved getCurrentLine
add textBeforeCursor
fixed addBeforeCursor
add removeBeforeCursor
improved keydown & keypress events
add registerInputAction function
a lot of new features and improvements in Writer class
add option to indentNewLines
added tabString function that returns as much spaces as indicated by options.tabWidth
increased version to 0.3.1
Merge pull request #18 from tsapeta/0.3.x

release v0.3.1