Update composer.json for new laravel version and dependencies

Author: PeterDeKok

composer.json

@@ -21,9 +21,9 @@
         "source": "https://github.com/VentureCraft/revisionable"
     },
     "require": {
-        "php": ">=5.4.0",
-        "illuminate/support": "~4.0|~5.0|~5.1",
-        "neylsongularte/eloquent-extra-events": "0.4.1"
+        "php": ">=7.1.0",
+        "illuminate/support": "~5.7",
+        "neylsongularte/eloquent-extra-events": "1.0.1"
     },
     "autoload": {
         "classmap": [