[bd] API 1.4.7

1.0 (23-05-2013)
1.0/1 added GET /posts/ostId/likes to get like, POST to like, DELETE to unlike
1.0/2 added common parameters `fields_include`, `fields_exclude` to filter data
1.0/3 added `attachments` to post data, POST /threads/attachment and POST /posts/attachment to upload attachment to thread or post
1.0/4 added common parameter `order` to.. order
1.0/5 added logging
1.0/6 added POST /users to create new user
1.0/7 added POST /users/:userId/avatar to upload avatar, DELETE...