Merge branch 'code_refactor' into 'develop'

.gitignore

.gitlab-ci.yml

Dockerfile

README.md

data/currencies.json

data/numbers.json

docker-compose.yml

requirements-dev.txt

requirements.txt

src/__init__.py

src/ccl_handler.py

src/date2words.py

src/num2words.py

src/utils.py

src/wordifier.py

src/worker.py

tests/__init__.py

tests/test_num2words.py

tox.ini