Feature/upgrade fxmlrpc httpplug (#172)

* Upgraded fxmlrpc to the latest version which requires httpplug instead of Ivory

* fix php 7 failing build

.travis.yml

@@ -3,11 +3,9 @@ language: php
 sudo: false
 
 php:
-  - 5.5
-  - 5.6
-  - hhvm
   - 7
   - 7.1
+  - 7.2
 
 before_script:
   - composer self-update
@@ -17,7 +15,5 @@ script: phpunit
 
 matrix:
   allow_failures:
-    - php: hhvm
     - php: 7
-    - php: 7.1
   fast_finish: true

README.md

@@ -9,6 +9,8 @@
 
 This version implements RESTful endpoints, a new version of Guzzle, and a restructured request handler.
 
+As of version 1.4, PHP 7+ is required.
+
 ### Breaking Change
 
 If you use the `Contacts`, `Orders` or `Products` services, there are now two different classes handling each service - one for REST, one for XML-RPC. *This version of the SDK will load the REST class by default.* If you still need the XML-RPC class, pass `'xml'` as an argument when requesting the object: `$infusionsoft->orders('xml')'`
@@ -28,7 +30,7 @@ Or manually add it to your composer.json:
 ``` json
 {
     "require": {
-        "infusionsoft/php-sdk": "1.3.*"
+        "infusionsoft/php-sdk": "1.4.*"
     }
 }
 ```

composer.json

@@ -17,13 +17,17 @@
         "php": ">=5.5",
         "ext-curl": "*",
         "guzzlehttp/guzzle": "~6.1",
-        "lstrojny/fxmlrpc": "0.11",
-        "egeloen/http-adapter": "~0.6",
-        "psr/log": "~1.0"
+        "lstrojny/fxmlrpc": "^0.14.0",
+        "psr/log": "~1.0",
+        "php-http/guzzle6-adapter": "^1.1",
+        "zendframework/zend-diactoros": "^1.7",
+        "php-http/message": "^1.6",
+        "php-http/curl-client": "^1.7"
     },
     "require-dev": {
         "mockery/mockery": "^0.9",
         "phpunit/phpunit": "~4",
+        "doctrine/instantiator": "1.0.5",
         "squizlabs/php_codesniffer": "1.*"
     },
     "autoload": {