More adjustments

Author: bcrowe

composer.json

@@ -16,13 +16,11 @@
         }
     ],
     "require": {
-        "php": ">=5.4.16",
+        "php": ">=5.6.0",
         "cakephp/cakephp": "~3.4"
     },
     "require-dev": {
-        "phpunit/phpunit": "^5.7|^6.0",
-        "scrutinizer/ocular": "~1.1",
-        "squizlabs/php_codesniffer": "~2.3.0"
+        "phpunit/phpunit": "^5.7|^6.0"
     },
     "autoload": {
         "psr-4": {
@@ -42,5 +40,8 @@
         "branch-alias": {
             "dev-master": "1.0-dev"
         }
+    },
+    "conflict": {
+        "phpunit/phpunit": "<5.7"
     }
 }