Merge pull request #64 from baukezwaan/ss-5-compat

Silverstripe 5 compatibility

Author: bummzack

composer.json

@@ -1,6 +1,6 @@
 {
     "name": "bummzack/sortablefile",
-    "description": "An extension for SilverStripe 4 that adds sorting to UploadField.",
+    "description": "An extension for SilverStripe that adds sorting to UploadField.",
     "type": "silverstripe-vendormodule",
     "keywords": [
         "silverstripe",
@@ -17,10 +17,8 @@
         }
     ],
     "require": {
-        "silverstripe/asset-admin": "^1.1",
-        "silverstripe/assets": "^1.1",
-        "silverstripe/config": "^1",
-        "silverstripe/framework": "^4.1"
+        "silverstripe/asset-admin": "^1.1 || ^2",
+        "silverstripe/framework": "^4.1 || ^5"
     },
     "require-dev": {
         "phpunit/phpunit": "^5.7"