v3.2.1 with security updates & bug fixes

• [New] option for generating random APP_KEY & SALT when setup
• [New] support hashing passwords with password_hash()
• [New] useful functions for plugins e.g. plugin() & plugin_assets()
• [New] language-chooser fon error pages
• [New] JavaScript helper function url()
• [New] option for sending usage statistics
• [New] support for callback of enabling/disabling/deleting plugins
• [New] url field for plugins' package.json
• [Improved] remove default breadcrumb
• [Improved] directory structure of assets
• [Improved] load default favicon when option value is empty
• [Improved] now maximum password length is extended to 64
• [Improved] use hash_equals() to compare password hash
• [Improved] encrypt token cookie
• [Improved] update custom error pages
• [Improved] clear compiled view cache when updating
• [Improved] update error messages for stupids
• [Improved] print a brand on every pages' console
• [Improved] show current role at user/admin panel
• [Fixed] horizonal scroll of datatables
• [Fixed] searching closet
• [Fixed] font-weight of sweet alerts
• [Fixed] determining request protocol behind load balancer & proxies
• [Fixed] ciphers unavailable
• [Fixed] division by zero when option value is set to 0