Update error strings to reflect support for requests and the fact that it's the prefered HTTP library. Fixes #16.
Update error strings to reflect support for requests and the fact that it's the prefered HTTP library. Fixes #16.

stripe/stripe-python,woodb/stripe-python,uploadcare/stripe-python,Khan/stripe-python,NahomAgidew/stripe-python,zenmeso/stripe-python,speedplane/stripe-python,alexmic/stripe-python,koobs/stripe-python,HashNuke/stripe-python