Merge pull request #5 from Dre90/php8

Add php 8 support

Author: andeersg

Diff for: .travis.yml

@@ -3,6 +3,7 @@ language: php
 php:
   - 5.6
   - 7.0
+  - 8.0
 
 matrix:
   allow_failures:
@@ -18,4 +19,4 @@ install:
   - composer --verbose install
 
 script:
-  - composer test
+  - composer test

Diff for: composer.json

@@ -6,7 +6,7 @@
     "test": "phpcs --standard=PSR2 -p -n ./src"
   },
   "require": {
-    "php": "^5.4 || ^7.0",
+    "php": "^5.4 || ^7.0 || ^8.0",
     "ext-soap": "*"
   },
   "require-dev": {
@@ -29,4 +29,4 @@
       "dev-master": "1.0.x-dev"
     }
   }
-}
+}