Misc
- Add options "arrowPrevIconClass" and "arrowNextIconClass".
- Add options "labelHeader" and "labelFooter".
- Add methods "setArrowClass", "setArrowNextIconClass", "setArrowPrevIconClass", "setCols", "setIconset", "setLabelHeader", "setLabelFooter", "setPlacement", "setRows", "setSearch", "setSearchText", "setSelectedClass", "setUnselectedClass".