changed the name of title of README.
Merge branch 'refactor'
arrGet may returns anything.
fixed @param types, made some vars protected, etc.
in case Locale class is not present, use the $locale as is.
remove unused use statement.
deletes a pushed variable from Dio.
add passes method, just like the Laravel fw.
add passes method, which returns the opposite of fails.
find works without the $rules.