* Add RandomHexGenerator, create new namespace
* phpstan ignore
* add base64 generator
* add note about base64 being case sensitive
* docblock updates
* replace old UUIDGenerator with a class that throws an exception
* replace base64 generator with a random string generator
* Fix namespace
* Fix code style (php-cs-fixer)
* add test for the deprecated uuid generator
* update comments
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Co-authored-by: PHP CS Fixer <phpcsfixer@example.com>
