Editing WoW:API GetGuildInfo (section)

===Returns===
:;guildName
:: String - The name of the guild the unit is in (or nil?).
:;guildRankName
:: String - unit's rank in unit's guild.
:;guildRankIndex
:: Integer - unit's rank (index). - zero based index (0 is Guild Master, 1 and above are lower ranks)
:;realmName
:: String - the host realm name for connected realms, otherwise nil (same as player's realm).