Changes:
* New: Option to follow data requests.
* New: Email notifications:
* An email will be sent to organization staff when a data request is created in a organization.
* An email will be sent to followers, people that commented, datarequest creator and organization staff when a comment in a datarequest is created.
* An email will be sent to followers, people that commented, datarequest creator and organization staff when a data request is closed.
* New: Major API changes:
* `datarequest_create` :arrow_right: `create_datarequest`
* `datarequest_show` :arrow_right: `show_datarequest`
* `datarequest_update` :arrow_right: `update_datarequest`
* `datarequest_index` :arrow_right: `list_datarequests`
* `datarequest_delete` :arrow_right: `delete_datarequest`
* `datarequest_close` :arrow_right: `close_datarequest`
* `datarequest_comment` :arrow_right: `comment_datarequest`
* `datarequest_comment_show` :arrow_right: `show_datarequest_comment`
* `datarequest_comment_list` :arrow_right: `list_datarequest_comments`
* `datarequest_comment_update` :arrow_right: `update_datarequest_comment`
* `datarequest_comment_delete` :arrow_right: `delete_datarequest_comment`