Fix ssl import error in GAE
Provide instructions for fixing GAE SSL import
Remove deprecation warnings from the top level module
Adding a content type header for all api requests.
Only set content type for post requests.
Adding tests for api requestors.
Fixing constant name.
Fixing the test suite for requests.
Fixing formatting errors via flake8.
Merge pull request #90 from stripe/fix_content_type_header

Adding a content type header for all api requests.
Merge pull request #87 from stripe/am-import-ssl-in-check

Fix ssl import error in GAE
Ignore failures from the pypy branch
Merge pull request #89 from stripe/remove-deprecation-warnings

Remove deprecation warnings from the top level module
Fix ssl import error in GAE
Provide instructions for fixing GAE SSL import
Remove deprecation warnings from the top level module
Adding a content type header for all api requests.
Only set content type for post requests.
Adding tests for api requestors.
Fixing constant name.