Version 1.3b

• added $l.css.top(element), $l.css.left(element) to find absolute positions of elements.
• added $l.helpers.duplicate to duplicate an object.
• improved $l.ui.scrollView, now it has some delegates to control hide/reveal.
• added $l.parent for upper scope access (useful for plugins).
• added $l.vars.cookiePath.
• time diff based $l.timer works more accurately.
• fixed a possible leak might be occured during $l.dom.create.
• started using Element.remove() instead of parentElement.removeChild.
• Element.remove() fix for internet explorer.
• applied a coding style.
• some optimizations.