Merge branch 'release/0.2.1'
Merge branch 'release/0.3.0'
Merge branch 'release/0.4.0'
Fixes #18

OAuthListener: Parameters may be included from the body if the content-type is urlencoded.

TODO: This should be covered in tests.
bumped version to 0.4.1
Merge branch 'release/0.4.1'
Merge tag '0.4.1' into develop

0.4.1