- Bumped Sidecar version 0.2.3 -> 0.3.0
- Bumped RESTian version  0.2.2 -> 0.3.0
- Completely overhauled Settings handling. Lot of changes in Sidecar_Form and Sidecar_Plugin_Base to address settings.
- Added prepare_credentials() and prepare_grant() to RESTian_Auth_Provider_Base.
- Created temp vars for $url and $args for both GET and POST in RESTian_Wordpress_Http_Agent to make it easier to debug.
- Simplified and improved Sidecar_Admin_Tab->requires_api() by testing for ! is_object().
- Removed unneccesary parameter being passed to Sidecar_Form->get_settings() from within Sidecar_Field->get_field_html()
- Renamed Sidecar_Field->get_field_html() to just Sidecar_Field->get_html()
- Renamed Sidecar_Form->get_form_html() to just Sidecar_Form->get_html()