Adding item manipulation methods
Tweaking activatePage method, and fixing activePage event not triggering when it should
Fixed toEnd & toCenter methods always doing what they are supposed to
Fixed updateButtonsState() being called too soon
Fixing activatePage ignoring page with index 0
Lowering the frequency of change event and render() calls by slideTo to only when necessary
Tweaking pagesbar items generation process, ref #36
Reworking continuous movement into one moveBy method
Fixing infinite pages generation (euphemism for browser crash) when frameSize equals 0
Tweaking dragging release swing easing