4.0.0: Updates and features

Highlights:

1. PHP 7.3+ is now required
2. Upgraded from Guzzle 6 to Guzzle 7
3. Added /usage get query
4. Internal refactoring and cleanup

3.0.4: Config bugfix

This release addresses a bug discovered during config construction

3.0.3 Release: HTTP support

This release adds a new config field, noSSL, and accompanying env var RGW_API_NO_SSL that, when set to true, will use http for the url scheme over https.

The default remains https.

3.0.2: OpenAPI 3.0 annotation bugfixes

This is a non-feature release that simply corrects a few swagger-php annotations.

3.0.1: Fixing bug in Open-API 3 annotations

Merge pull request #2 from alupuleasa/master

Bugfix

3.0.0: Documentation update

This release merely changes the swagger annotation from swagger 2 to open-api 3 spec.