v2.0.0

Full Changelog: v1.4.0...version-2.0.0

1. Development testing feature to simulate webservice call delay, enabled/disabled by environment variable(s).
   • To be used only in local development environments.
   • Currently supports endpoint /getSumoHonbashoSchedule.
2. Change body payload type of status code 400 responses from string (HTML) to JSON.
   Affected endpoints:
   • /calculateDate
   • /getWorkers
   • /timestwo
   • /getSumoHonbashoSchedule
3. Change endpoint URL /{name} to /greeting/{name}.
   • /greeting and /{name} will now return status code 404.