Added Amazon module, useful for its isbn command.
Added Amazon module, useful for its isbn command.

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