Added support for custom button texts + Added support for deleting markers + reworked the way the "+" and "-" buttons work + Added a "placeholder" marker when clicking "+" to show where in the timeline the marker will be posted

/** @constructor */
function Foo() {
	var bar = 1;
	bar = 2; // redefining a private
	
	this.baz = 1;
	baz = 2; // global
	
	/** a private */
	var blap = {
		/** in here */
		tada: 1
	}
}