The argument request is missing in validate_code() in examples
Fix documentation warnings
Missing required arguments in authorize()
Wrap and trailing whitespaces in README.rst
Fix extracting of scope values from POST

Many inputs with same name are stored in a list.
Merge pull request #157 from stephane/missing-args

Small fixes related to OAuth2 and Django example
Add optional expires_in parameter to BearerToken

The expires_in is still 3600 by default.
Add token_expires_in opt to all-in-one endpoints

It still works as it has worked until use the option.
Merge pull request #160 from bpc/configurable_expires_in

Make OAuth2 BearerToken’s expiration time configurable