SpecBisTooltip [Classic/SOD/Cata/Retail] Spec Bis List Tooltip

Currently working:

RETAIL: DK, DH, Druid
WOTLK: -

CLASSIC: -

SOON ALL AVAILABLE :D

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Shows if the item is BIS or not

at the bottom: "Bis in M+/Raid":

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BIS Source: Wowhead