Middleware - Validator: if a key hasn't to validate as required and it isn't empty, don't run any other validations.
I18n: translation IDs split technique is now regex again.
Response: when the first write via .write() is array or object, sets the Content-Type to application/json
Asset Manager: support for adding standalone JS variables.
Logger: when the directory didn't exist, it was causing errors. Also, if console logging were disabled, it wouldn't strip the color codes.
Added the hability to autoload user libraries. The config base.autoLoadedLibraries must be set as an array.
Added to .gitignore the skeleton/logs folder.
Added hability to namespace variable names.