---- Changes since 1.140 ----
Added the ability to synchronize Unix users with protected directory users, configurable for each directory.
---- Changes since 1.180 ----
Added SHA1 encryption support.
---- Changes since 1.200 ----
Added the ability to manage groups too, and to specify which users and groups from the password file are allowed.
---- Changes since 1.220 ----
Added a new encryption type for protected directories - digest mode, which also uses a more secure password exchange between the web server and browser.
