v0.0.4

Add optional parameter --translator for more flexibility

./bin/potrans deepl ./tests/example-cs_CZ.po ~/Downloads \
    --translator=path/to/my/CustomTranslator.php \
    --apikey=123456

potrans expect that CustomTranslator.php will return a new instance of Translator interface.

Full Changelog: v0.0.3...v0.0.4