Some array checkings added to the check methods;

Validator's locale() and encoding() now also serve as setters; Tests …

…added;

Rule "not_contains" added; Respective tests added;

Fixed rules "start_with", "not_end_with", "end_with", "not_end_with",…

… and "contains"; Respective tests were fixed; New tests added;

Namespace changed to "phputil\validator";

Added rules are now available as Messages Formats;

Added rules "start_with", "not_start_with", "end_with", "not_end_with…

…", and "contains";

Added rules "IN" and "NOT_IN";

FormatChecker.php and RuleChecker.php were refactored, moving interna…

…l classes to their own files;

Updated dependency of RTTI to version 1.3, because of a fix;