Support v5

Author: toddmotto

src/package.json

@@ -12,6 +12,6 @@
     "type": "git"
   },
   "peerDependencies": {
-    "@angular/forms": "^2.3.1 || >=4.0.0-beta <5.0.0"
+    "@angular/forms": "^2.3.1 || ^5.0.0"
   }
 }