ApiGallery and GalleryAdapter documented and removed non-useful namespaces.
ApiPhoto and PhotoAdapter documented and remove non-useful namespaces.
mend

ApiPhoto and PhotoAdapter documented and removed non-useful namespaces.
Flickr\Photo documented.
ApiUser documented.
Exceptions documented.
Auth, AuthAdapter and OhmyAuth\OhmyAuth documented.
Request and RequestAdapter documented.
Response and ResponseAdapter documented, and removed redundances of variables.
RequestPlugins documented and fixed a single comment of Response class.
GuzzleRequest documented and fixed a redeclaration of one method in Request class.
GuzzleResponse documented.
Guzzle plugins are documented.