Merge pull request #30 from grnhse/upgrade_guzzle

Upgrade Guzzle to 7+

.circleci/config.yml

@@ -31,4 +31,4 @@ workflows:
       - test:
           matrix:
             parameters:
-              php-version: ["5.6", "7.0", "7.1", "7.2", "7.3", "7.4"]
+              php-version: ["7.3", "7.4"]

README.md

@@ -8,14 +8,18 @@ This package of tools is provided by Greenhouse for customers who use PHP.  Ther
 4. **Harvest Service**: Used to interact with the Harvest API.
 
 # Requirements
-1. PHP Version 5.6 or greater. (Travis build passes on PHP 7.0; has not been manually tested).
+1. PHP Version 
+  a. 5.6 or greater for V1.
+  b. 7.3 or greater for V2.
 2. [Composer](https://getcomposer.org/).  You should be using Composer to manage this package. 
 
+Due to the EOL on PHP 5 and Guzzle 6, this package was upgraded to require PHP 7.3. We will no longer be supporting V1.
+
 # Installing
 This is available on Packagist.  Install via Composer.  Add the following to your requirements:
 
 ```
-    "grnhse/greenhouse-tools-php": "~1.0"
+    "grnhse/greenhouse-tools-php": "~2.0"
 ```
 
 

composer.json

@@ -11,12 +11,13 @@
         }
     ],
     "require": {
-        "php": ">=5.6",
-        "guzzlehttp/guzzle": "~6.2"
+        "php": ">=7.3",
+        "guzzlehttp/guzzle": "~7"
     },
     "require-dev": {
-        "phpunit/phpunit": "~5.0",
-        "solano/solano-phpunit": "*"
+        "phpunit/phpunit": "*",
+        "php": ">=7.3"
+
     },
     "autoload": {
         "psr-4": { "Greenhouse\\GreenhouseToolsPhp\\": "src/" }