[RFR]: Added Origin CA Certificate endpoint (#123)

* Added Certificate endpoint

* Implement all calls in /certificates endpoint

* Added to travis more php versions

* Fix package compatibility

* Added CertificateTest

* Added test for Certificate endpoint

* Added more tests

* Updated README

Co-authored-by: haphan <[email protected]>

Author: haphan

.travis.yml

@@ -3,6 +3,15 @@ language: php
 php:
     - 7.0
     - 7.1
+    - 7.2
+    - 7.3
+    - 7.4
+    - nightly
+
+jobs:
+  allow_failures:
+  - php: 7.4
+  - php: nightly
 
 before_install:
     - composer self-update

README.md

@@ -25,7 +25,7 @@ Each API call is provided via a similarly named function within various classes
 - [ ] Organization Administration
 - [x] [Railgun](https://www.cloudflare.com/railgun/) administration
 - [ ] [Keyless SSL](https://blog.cloudflare.com/keyless-ssl-the-nitty-gritty-technical-details/)
-- [ ] [Origin CA](https://blog.cloudflare.com/universal-ssl-encryption-all-the-way-to-the-origin-for-free/)
+- [x] [Origin CA](https://blog.cloudflare.com/universal-ssl-encryption-all-the-way-to-the-origin-for-free/)
 - [x] Crypto
 - [x] Load Balancers
 - [x] Firewall Settings

composer.json

@@ -9,7 +9,7 @@
     "ext-json": "*"
   },
   "require-dev": {
-    "phpunit/phpunit": "5.7.5",
+    "phpunit/phpunit": "^5.7",
     "phpmd/phpmd" : "@stable",
     "friendsofphp/php-cs-fixer": "^2.6"
   },