dist/js/propeller.js
function _inherits(SubClass, SuperClass) {
	if (typeof SuperClass !== "function" && SuperClass !== null) {
		throw new TypeError("Super expression must either be null or a function, not " + typeof SuperClass);
	}
	SubClass.prototype = new SuperClass();
}
function _inherits(SubClass, SuperClass) {
	if (typeof SuperClass !== "function" && SuperClass !== null) {
		throw new TypeError("Super expression must either be null or a function, not " + typeof SuperClass);
	}
	SubClass.prototype = new SuperClass();
}
function _inherits ( SubClass , SuperClass ) { if ( typeof SuperClass !== "function" && SuperClass !== null ) { throw new TypeError ( "Super expression must either be null or a function, not " + typeof SuperClass ) ; } SubClass . prototype = new SuperClass ( ) ; }
Inherit one class to another
Inherit one class to another