Changed the single pipes to double pipes as the single pipes are deprecated

Author: Willem Oostendorp

composer.json

@@ -5,11 +5,11 @@
     "license": "MIT",
     "require": {
         "php": ">=5.5.9",
-        "symfony/workflow": "^3.3 | ^4.0",
-        "symfony/process": "^3.3 | ^4.0",
+        "symfony/workflow": "^3.3 || ^4.0",
+        "symfony/process": "^3.3 || ^4.0",
         "symfony/event-dispatcher": "^4.0",
-        "illuminate/console": "5.3.* | 5.4.* | 5.5.* | 5.6.*",
-        "illuminate/support": "5.3.* | 5.4.* | 5.5.* | 5.6.*"
+        "illuminate/console": "5.3.* || 5.4.* || 5.5.* || 5.6.*",
+        "illuminate/support": "5.3.* || 5.4.* || 5.5.* || 5.6.*"
     },
     "autoload": {
         "psr-4": {
@@ -36,6 +36,6 @@
     },
     "require-dev": {
         "mockery/mockery": "^0.9.8",
-        "phpunit/phpunit": "^6.0 | ~7.0"
+        "phpunit/phpunit": "^6.0 || ~7.0"
     }
 }