Release unFTP v0.12.11

Use libunftp v0.18.0 and corresponding back-ends

CHANGELOG.md

@@ -1,12 +1,17 @@
 # Changelog
 
-## Upcoming
+## 2021-07-16 unftp v0.12.11
+
+_tag: v0.12.11_
 
 - Added the `--usr-json-path` argument to allow per-user settings to be specified in a JSON file. This can be the same 
-  JSON file specified for `--auth-json-path`. Example of supported properties can be seen in PR #97
-- Ability to restrict the file system operations that an FTP user can do. Accomplished with above-mentioned per user 
+  JSON file specified for `--auth-json-path`. See the project README for examples.
+- \#85 Ability to restrict the file system operations that an FTP user can do. Accomplished with above-mentioned per user 
   settings (`vfs_perms` property).
+- \#85 Ability to specify a separate root directory per user account (`root` property). 
 - Ability to enable/disable an FTP account. Accomplished with above-mentioned per user settings (`account_enabled` property).
+- \#87 Added ability to enforce mTLS per user (`client_cert` property).
+- \#87 Added ability to check the CN of a user's client certificate (`client_cert.allowed_cn` property).  
 - Upgraded to the latest libunftp and its extentions. See [the libunftp changelog](https://github.com/bolcom/libunftp/blob/master/CHANGELOG.md) 
   for more info.