Added Logger::errorMessage()

Will replace customErrorMsg() and the 404 error page
The background is randomly chosen from /images/error/ (may upload later)
Added the error's background images

Copyright information exists in README.txt and as EXIF metadata
Minor improvements

Typos, spaces before newlines
Bug in router: explode('@',self::$error_callback) outside if(!is_object
Removed useless new core\config() in router, its already called in index
Use logger::errorMessage at error/exception handler

Removed Logger::customeErrorMsg()
At helpers\db::__construct() removed try-catch; wasnt useful anyway
Added reCaptcha at register, changed its view

Site key and secrets are are in secrets.ini