* [ADD] Security enhancement for master password in session.
* [MOD] Minor UI tweaks.
* [MOD] Improved config handling.
* [MOD] Code cleaning.
* [FIX] Accounts' main group were not set when the user hadn't enough privileges.
* [FIX] Accounts restoration didn't restore the account's main group.
* [ADD] Temporary password can be viewed within session.
* [ADD] Old backup and export files are deleted when performing a new backup/export.
* [ADD] Added the ability to force the connection through HTTPS.
* [MOD] CSS and JS files are now minimized by default.
* [MOD] Updated translations.
* [MOD] UI tweaks.
* [FIX] Fixed issue on enabling secondary users/groups edit on accounts.
* [FIX] Fixed issue when sending email request to blank recipients.
* [ADD] New log class for better action events handling.
* [ADD] New email class which uses Log class attributes for message composing.
* [ADD] New Request class for managing POST/GET requests.
* [MOD] Almost whole session vars are managed through Session class.
* [MOD] Minor fixes on templates
* [ADD] Abstract classes and interfaces for better code structure.
* [MOD] Actions handled as integers not strings and are consistent accross app modules.
* [MOD] Classes' names where modified. Namespaces where added for better handling.
* [ADD] Common exception class for the whole app.
* [ADD] New base file for app initialization.
* [MOD] Speed improvements.
