Version Bump v3.8.0: #23: Automatically retry when rate limit is reached

Author: thinkingserious

Diff for: CHANGELOG.md

@@ -3,6 +3,11 @@ All notable changes to this project will be documented in this file.
 
 This project adheres to [Semantic Versioning](http://semver.org/).
 
+## [3.8.0] - 2017-09-13
+### Added
+- Pull request #23: [Automatically retry when rate limit is reached](https://github.com/sendgrid/php-http-client/pull/23)
+- Thanks to [Budi Chandra](https://github.com/budirec) for the pull request!
+
 ## [3.7.0] - 2017-05-04
 ### Added
 - Pull request #19: [Added ability to get headers as associative array](https://github.com/sendgrid/php-http-client/pull/19)

Diff for: README.md

@@ -21,7 +21,7 @@ Add php-http-client to your `composer.json` file. If you are not using [Composer
 ```json
 {
   "require": {
-    "sendgrid/php-http-client": "~3.7"
+    "sendgrid/php-http-client": "~3.8"
   }
 }
 ```

Diff for: composer.json

@@ -2,7 +2,7 @@
     "name": "sendgrid/php-http-client",
     "description": "HTTP REST client, simplified for PHP",
     "type": "library",
-    "version": "3.7.0",
+    "version": "3.8.0",
     "require-dev": {
         "phpunit/phpunit": "~4.4",
         "squizlabs/php_codesniffer": "~2.0"