Accept typescript >=2.8.0-dev

Author: j-oliveras

package.json

@@ -81,7 +81,7 @@
     "typescript": "2.4.1"
   },
   "peerDependencies": {
-    "typescript": "~2.0.3 || >=2.0.0-dev || >=2.1.0-dev || >=2.2.0-dev || >=2.3.0-dev || >=2.4.0-dev || >=2.5.0-dev || >=2.6.0-dev || >=2.7.0-dev"
+    "typescript": "~2.0.3 || >=2.0.0-dev || >=2.1.0-dev || >=2.2.0-dev || >=2.3.0-dev || >=2.4.0-dev || >=2.5.0-dev || >=2.6.0-dev || >=2.7.0-dev || >=2.8.0-dev"
   },
   "scripts": {
     "test": "gulp"