Removed PHP 5.6 support

Added custom fields for purchase request

Author: dercoder

.travis.yml

@@ -6,7 +6,6 @@ php:
   - 7.2
   - 7.3
   - 7.4
-  - 8.0
 
 before_script:
   - composer install -n --dev --prefer-source

composer.json

@@ -18,7 +18,7 @@
     }
   },
   "require": {
-    "php": "^7.0|^7.1|^7.2|^7.3|^7.4|^8.0",
+    "php": "^7.0|^7.1|^7.2|^7.3|^7.4",
     "ext-simplexml": "*",
     "ext-dom": "*",
     "omnipay/common": "^3.0"