* Exclude 'deps' and '.github' from npm publish (Dominique Emond)
 * fix README display on the site (Agnes Lin)
 * chore: update copyrights year (Diana Lau)
 * chore: improve issue and PR templates (Nora)
 * chore: move mocha flag to opts (jannyHou)
 * fix: tests for datatypes (jannyHou)
 * fix: force exit (jannyHou)
 * update tests (jannyHou)
 * upgrade dependencies (jannyHou)