Remove unused 'ENCODING' class-level variable in TwitterTransport (thanks @jerith)
Optional SSL/TLS method specification for sandbox HTTP resource.
Fix false positive twitter transport tests caused by `yield` (thanks @jerith)
Merge branch 'develop' of github.com:praekelt/vumi into develop
pep8 fix (thanks @jerith)
Merge branch 'develop' into feature/issue-729-wechat-transport
auth