KwPlayer.IsFriend

__NOTOC__
Detects if a player is the friend of the current player.
== Parameters ==
=== Arguments ===
:;playerName
::string - The name of the player.
=== Returns ===
:;isfriend
::bool - true if friend, false if not.
== Example ==
if kwPlayer.IsFriend("Example") then
 DEFAULT_CHAT_FRAME:AddMessage("Example is my friend")
end