Update error code for Twitter Rate Limits. This is for Twitter Api 1.1
Update error code for Twitter Rate Limits. This is for Twitter Api 1.1

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