Modified blukUserLookup:
Modified blukUserLookup:

* version argument was ignored
* user_id and screen_name lists were not url-escaped, and always ended
with a trailing comma
* unknown parameter 'lol=1' removed
* allow other arguments to users/lookup to be added (kwargs)
* added http headers to request
 

akarambir/twython,ryanmcgrath/twython,mgrouchy/twython,Hasimir/twython,kracekumar/twython,Fueled/twython,vivek8943/twython,Devyani-Divs/twython,ping/twython,Oire/twython,fibears/twython,joebos/twython