Don't trigger double build on PR

Update README.md (#23)

Rename workflow (#22)

Switch to GitHub actions (#21)

* Add GitHub Actions workflows, remove CircleCI config

* Update README.md

Update README.md (#16)

* Add link to MimeTypes.JS

* Update README.md

Make RegexBuilder Unicode-safe (#12)

* Convert letter() to Unicode

* Remove redundant toString() in tests

* Add unit test for RegexOptions validation in buildRegex()

* Make more methods Unicode-safe

* Make more methods Unicode-safe

* Fix word methods

* Expand unit tests

Switch to using CircleCI context (#9)

Convert to npm package (#8)

* Create NPM package (#7)

* Create NPM package

* Add CircleCI config.yml

* Update CircleCI config

* Update CircleCI config

* Add badges to README.md

* Fix CircleCI config

* Fix CircleCI config

* Fix CircleCI config

* Total overhaul of NPM package, got tests running

* Update package.json

* Rename tests

* Refactor tests

* Update package-lock.json

* Use CIRCLE_TAG for versioning

* Add .npmignore

* Update package-lock.json

* Remove .vscode folder

* Update package-lock.json

* Minor formatting change to index.js

* Minor formatting change to regex-builder-tests.js

* Update README.md

* Add default parameter values

* Move index.js to root