Update README.rst
Update README.rst

tablib.org doesn't seem like it's related to Python at all - did you mean python-tablib.org?
Nikolay232/grequests_hh,codepython/grequests,whosyourban/grequests,DigitalInnovation/mns-grequests,yrik/grequests,odcinek/grequests,pandada8/grequests,kennethreitz/grequests,agsimeonov/grequests,hengqujushi/grequests