Updated docstring for def rfes method to give Request For Enhancement acronym.
Updated docstring for def rfes method to give Request For Enhancement acronym.

kblin/supybot-gsoc,ProgVal/Limnoria-test,raboof/supybot,Ban3/Limnoria,mazaclub/mazabot-core,prashantpawar/supybot-rothbot,ProgVal/Limnoria-test,jeffmahoney/supybot,mazaclub/mazabot-core,frumiousbandersnatch/supybot-code,haxwithaxe/supybot,Ban3/Limnoria,buildbot/supybot