Merges branch 'release/0.2.0' into develop
Added test for uploading as 'file' type.
Adds Request to packager.
Adds session timeout.
Removes json_last_error and improves formatting
Adds Timeout to Session
Bumps version to 0.3.0.
Updates changelog for 0.3.0
Merges branch 'release/0.3.0'
Merges branch 'release/0.3.0' into develop
Improves error message if imgur api is down.
Improves Access Token Expiry detection
Fixes auto refresh token for request in flight.
Bumps version to 0.4.0.
Updates changelog for 0.4.0
Merges branch 'release/0.4.0'