Merge pull request #66 from phpgt/ci

build: upgrade dependencies and ci

Merge pull request #62 from PhpGt/61-get-date-time

Get DateTime

Merge pull request #60 from PhpGt/extractor

feature: construct from other ulid

Merge pull request #27 from PhpGt/26-scrutinizer

ci: add scrutinizer config

Merge pull request #14 from PhpGt/13-tostring

feature: toString only generates randomness once per instance

Merge pull request #10 from PhpGt/hard-dependencies

build: hard dependencies

docs: add example usage