Fixed some things with WeatherUnit and temperature parsing in Weather.cnn
Fixed some things with WeatherUnit and temperature parsing in Weather.cnn

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