- Bumped version 0.4.3 -> 0.4.4
- Added provide functionality in Sidecar for determining current URL, installed subdirectory and domain needed for Lexity.
- Moved Sidecar_Admin_Page->_this_url() to Sidecar::this_url() and used in Sidecar_Admin_Page->is_page_url().
- Added Sidecar::installed_dir() and Sidecar::this_domain()