idTip (5.4)

Change Log:
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5.4 - Toc bump to 5.4, add NPC ID support
5.2 - Toc bump to 5.2, switch version to TOC
2.2 - Toc bump to 4.3, untested but should still work
2.1 - Toc bump to 4.2, addon still working fine
2.0 - Now also supports ItemIDs, renamed to idTip
1.01 - Fix small copy & paste mistake
1.0 - Initial Release

Description:
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Adds SpellIDs, ItemIDs and NPC IDs to the various ingame tooltip windows.

Please report any requests/bugs you are encountering through an issue on Github.