* [ADD] Security improvements preventing common threats (SQL Injection, XSS, CSRF)
* [ADD] Fully MVC
* [ADD] Using PDO for database queries
* [ADD] Using PKI for forms passwords encryption (for insecure channels)
* [ADD] Using TOTP for 2-factor authentication
* [ADD] Custom fields can be created for several modules
* [ADD] Export to sysPass encrypted XML file
* [ADD] View passwords as images
* [ADD] Temporary master password for limited time logins
* [ADD] Password generator with complexity options
* [ADD] API authorizations
* [ADD] New visual theme with Material Design Lite by Google
* [ADD] Theming features
* [ADD] Special searches
* [ADD] Image thumbnail preview
* [MOD] 60% of code rewriting for improve performance and reusability (2x faster)
* [MOD] Better error handling
* [MOD] Better in-context help
* [FIX] Fixed checking for updates issue.
* [MOD] Changed behaviour on getting security token for customers, categories, groups, users and profiles edition.
* [MOD] Changed application logo and description.
* Improved session cache's config parameters to reduce config file queries
* Removed unused methods
* Changed some SP_Crypt class methods to static and factorized some functions
* Added some stuff to demo mode
* Improved categories management by removing 'select' by 'table' style layout.
* New permissions added for customers and categories management menu (needs DB update).
* Some methods have been refactored and made a bit of code cleanup
* New layout for account searches. Now accounts are showed in a card fashion style, no more rows ;) and colorized customer name for better visualization.
* Some UI improvements for better fit on small screens
