Patch 5.4.1/API changes

== Breaking changes ==
* The CVar "realmName" is no longer queryable in-game with . should be used to obtain the realm of the player.
== Bugs ==
* is protected (and called from UpdateMicroButtons, which is frequently called from execution paths tainted by addons).
== Automatic diff ==
=== Global API ===
 Global API (5.4.0.17359 → 5.4.1.17538)
9 new functions
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=== Events ===
 Events (5.4.0.17359 → 5.4.1.17538)
6 new events
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==References==