Added return to apiShowTip, apiResetPosition, apiCloseTip.
Added return to apiShowTip, apiResetPosition, apiCloseTip.

erthalion/jquery-powertip,jasco/jquery-powertip,erthalion/jquery-powertip,stevenbenner/jquery-powertip,stevenbenner/jquery-powertip,jasco/jquery-powertip