Version 1.2.3

Changes

• Added support for csrf support in simple-router.
• Changed default routes to support changes in simple-router.
• Added csrf_token() helper function to get current csrf token.
• Added addItem() method to Html class.
• Fixed "RouterBase not found" exception in ModelLanguage.
• Optimised some of the ResponseData classes.
• Updated composer.json with correct info.
• Fixed missing Boolean class.
• Removed use Pecee\Bool statement.
• Optimised ModelLanguage class.