Items:
 - fixed line breaks in tooltips
 - fixed typo causing unwanted output when parsing ratings
 - ammunition now always displays dps and some misc items no longer display 0-0 damage

Spells
 - added created items to tooltip (formating is a bit off though)
 - fixed typo in parsing periodic auras

Power
 - use external version of in_array (e.g. prepend $WH.), should fix inclusion of power to external sites