Merge pull request #10 from tsapeta/0.1.x

merge 0.1.x into 0.2.x
rebuilt "on" method, now it's faster and easier
improved $.parseData by adding second parameter
fixed "data" & "dragging" methods
added Node.prototype.contains if it doesn't exist
added support for mouseenter & mouseleave events
improved browser & system recognizing
added support for extended events to "on" method
fixed mouseEnterLeave + improved dragging method
increased version to 0.2.0 `Javelin`
Merge pull request #11 from tsapeta/0.2.x

merge 0.2.x (0.2.0 `Javelin`)