Merge pull request #74 from AppsFlyerSDK/releases/4.x.x/4.18.x/4.18.0

AppsFlyerUnityPlugin 4.18.0

Author: af-fess

AppsFlyerUnityPlugin_v4.17.0.unitypackage

@@ -1,5 +1,12 @@
 # Release Notes
 
+### 4.18.0
+* Updated Android SDK to v4.8.18
+* Updated iOS SDK to v4.8.10
+* Removed the `trackEvent(string eventName,string eventValue)` API 
+- Use `trackRichEvent(string eventName, Dictionary<string, string> eventValues)` for event tracking.
+* Fix for empty event values exception 
+
 ### 4.17.0
 * Updated Android SDK to v4.8.13
 * Updated iOS SDK to v4.8.6
@@ -86,4 +93,4 @@ callbackMethod, string callbackFailedMethod);`
 ### 4.10.0
 * Deep link support for Android & iOS
 * Uninstall support for Android & iOS
-* Support testing using the Unity Editor
+* Support testing using the Unity Editor