Updated guzzle to 7 (#68)

* Updated guzzle to 7

* updated readme and composer.json

* dropped old php versions from travis

Author: jmulford-bw

.travis.yml

@@ -1,10 +1,6 @@
 dist: trusty
 language: php
 php:
-  - '5.5'
-  - '5.6'
-  - '7.0'
-  - '7.1'
   - '7.2'
   - '7.3'
 install: composer install

README.md

@@ -21,15 +21,16 @@ PHP Client library for Bandwidth's Phone Number Dashboard (AKA: Dashboard, Iris)
 | 2.4.0 | Added Emergency Calling Notification, Emergeny Notification Group, Emergency Notification Endpoint, and Alternate End User Identity methods |
 | 2.5.0 | Added `PortOutPasscode` for TnOption orders |
 | 2.5.1 | Fixed grabbing of response header for file uploads |
+| 3.0.0 | Updated to guzzle 7. This version no longer supports verisons of PHP less than 7.2. Older versions of this package will still work on PHP versions less than 7.2 |
 
 ## Supported PHP Versions
 
 | Version                        | Support Level            |
 |:-------------------------------|:-------------------------|
-| 5.5 | Supported |
-| 5.6 | Supported |
-| 7.0 | Supported |
-| 7.1 | Supported |
+| 5.5 | Unsupported |
+| 5.6 | Unsupported |
+| 7.0 | Unsupported |
+| 7.1 | Unsupported |
 | 7.2 | Supported |
 | 7.3 | Supported |
 

composer.json

@@ -4,13 +4,13 @@
     "description": "Bandwidth's Iris SDK for PHP",
     "keywords": ["iris","sdk","php"],
     "homepage": "http://dev.bandwidth.com",
-    "reference": "v2.5.3",
+    "reference": "v3.0.0",
     "license": "MIT",
     "authors": [
     ],
     "require": {
-        "php": ">=5.5",
-        "guzzlehttp/guzzle": "~6.0"
+        "php": ">=7.2",
+        "guzzlehttp/guzzle": "~7.0"
     },
     "require-dev": {
         "phpunit/phpunit": "~4.7"