Merge pull request #23 from satya-p91/master

added method to get sessionId and removed throw exception

Author: LaurenceGA

kwamp-client-core/src/main/kotlin/com/laurencegarmstrong/kwamp/client/core/Client.kt

@@ -153,6 +153,8 @@ class ClientImpl(
         topicPattern: UriPattern,
         eventHandler: EventHandler
     ) = subscriber.subscribe(topicPattern, eventHandler)
+
+    fun getSessionId() = sessionId
 }
 
 // Can be overridden to handle exceptions

kwamp-core/src/main/kotlin/com/laurencegarmstrong/kwamp/core/serialization/json/JsonMessageSerializer.kt

@@ -65,4 +65,4 @@ private val MAP_CONVERTER = object : Converter {
     override fun fromJson(jv: JsonValue): Map<String, Any?> = HashMap(jv.obj!!).mapValues(this::convertEntry)
 
     private fun convertEntry(entry: Map.Entry<String, Any?>) = Klaxon().converter(this).convertJsonObject(entry.value)
-}
+}