API C ArtifactUI.GetMetaPowerInfo

Needs summary.
 spellID, powerCost, currentRank, ... = C_ArtifactUI.GetMetaPowerInfo()
==Returns==
(Variable returns: spellID1, powerCost1, currentRank1, spellID2, powerCost2, currentRank2, etc)
:;spellID:
:;powerCost:
:;currentRank:
==Patch changes==