Update error code for Twitter Rate Limits. This is for Twitter Api 1.1
update error code and comment
updated for requests==1.1.0
Update twython/twython.py

making it so that when you don't pass in header you get all of them back. 
Update twython/twython.py

updating default version of api as well. come on playa.
Allow versions of requests between 1.0.0 and 2.0.0

Requests is semantically versioned, so minor version changes are expected to be compatible.
Merge pull request #147 from U2Ft/requests-1.1.0

Updated for requests 1.1.0
Merge pull request #149 from myusuf3/master

if you dont pass in header you asked for explicitly all are returned.
Merge pull request #143 from gdevanla/update_error_code

Update error code to 429 - (to catch rate limit exceptions)
Merge pull request #141 from rmerlorangeknocks/master

Updating getRateLimiStatus endpoint
Updatined mentions endpoint to correct URL