diff --git a/build.gradle b/build.gradle
index 34616be..21d1949 100644
--- a/build.gradle
+++ b/build.gradle
@@ -31,7 +31,7 @@ compileKotlin {
 		
 
 dependencies {
-	compile('com.github.badoualy:kotlogram:666a81ef9d6707f117a3fecc2d21c91d51c7d075') {
+	compile('com.github.badoualy:kotlogram:e3c26c69c2896b6bf3fce539ba0c46debc884e0f') {
 		exclude module: 'slf4j-simple'
 	}
 	compile 'org.xerial:sqlite-jdbc:3.16.1'
@@ -41,6 +41,7 @@ dependencies {
 	compile 'com.google.code.gson:gson:2.8.0'
 	compile 'com.github.salomonbrys.kotson:kotson:2.5.0'
 	compile 'com.github.kittinunf.fuel:fuel:1.12.0'
+	compile 'commons-io:commons-io:2.5'
 	
 	testCompile 'junit:junit:4.12'
 }
diff --git a/src/main/kotlin/de/fabianonline/telegram_backup/CommandLineController.kt b/src/main/kotlin/de/fabianonline/telegram_backup/CommandLineController.kt
index c73f832..486e804 100644
--- a/src/main/kotlin/de/fabianonline/telegram_backup/CommandLineController.kt
+++ b/src/main/kotlin/de/fabianonline/telegram_backup/CommandLineController.kt
@@ -94,7 +94,7 @@ class CommandLineController(val options: CommandLineOptions) {
 		storage = ApiStorage(file_base)
 		
 		logger.info("Creating Client")
-		client = Kotlogram.getDefaultClient(app, storage, Kotlogram.PROD_DC4, null)
+		client = Kotlogram.getDefaultClient(app, storage, null, Kotlogram.PROD_DC4)
 		
 		// From now on we have a new catch-all-block that will terminate it's TelegramClient when an exception happens.
 		try {
@@ -184,7 +184,7 @@ class CommandLineController(val options: CommandLineOptions) {
 				handler = TelegramUpdateHandler(user_manager, database, file_base, settings)
 				client.close()
 				logger.info("Creating new client")
-				client = Kotlogram.getDefaultClient(app, storage, Kotlogram.PROD_DC4, handler)
+				client = Kotlogram.getDefaultClient(app, storage, handler, Kotlogram.PROD_DC4)
 				println("DAEMON mode requested - keeping running.")
 			}
 		} catch (e: Throwable) {
diff --git a/src/main/kotlin/de/fabianonline/telegram_backup/DownloadManager.kt b/src/main/kotlin/de/fabianonline/telegram_backup/DownloadManager.kt
index 178a4cd..cee8300 100644
--- a/src/main/kotlin/de/fabianonline/telegram_backup/DownloadManager.kt
+++ b/src/main/kotlin/de/fabianonline/telegram_backup/DownloadManager.kt
@@ -269,10 +269,12 @@ class DownloadManager(val client: TelegramClient, val prog: DownloadProgressInte
 						if (result) {
 							prog.onMediaDownloaded(m)
 						} else {
+							logger.trace("onMediaFailed")
 							prog.onMediaFailed()
 						}
 					} catch (e: TimeoutException) {
 						// do nothing - skip this file
+						logger.trace("TimeoutException onMedia")
 						prog.onMediaFailed()
 					}
 				}
@@ -300,7 +302,7 @@ class DownloadManager(val client: TelegramClient, val prog: DownloadProgressInte
 			var temp: TLAbsDialogs? = null
 			logger.trace("Calling messagesGetDialogs with offset {}", offset)
 			Utils.obeyFloodWait {
-				temp = client.messagesGetDialogs(offset, 0, TLInputPeerEmpty(), limit)
+				temp = client.messagesGetDialogs(false, offset, 0, TLInputPeerEmpty(), limit)
 			}
 			val dialogs = temp!!
 			val last_message = dialogs.messages.filter{ it is TLMessage || it is TLMessageService }.last()
@@ -369,8 +371,9 @@ class DownloadManager(val client: TelegramClient, val prog: DownloadProgressInte
 		}
 
 		@Throws(RpcErrorException::class, IOException::class, TimeoutException::class)
-		fun downloadFile(targetFilename: String, size: Int, dcId: Int, id: Long, accessHash: Long, prog: DownloadProgressInterface?) {
-			val loc = TLInputDocumentFileLocation(id, accessHash)
+		fun downloadFile(targetFilename: String, size: Int, dcId: Int, id: Long, accessHash: Long, version: Int = 0, prog: DownloadProgressInterface?) {
+			val loc = TLInputDocumentFileLocation(id, accessHash, version)
+			logger.trace("TLInputDocumentFileLocation: {}", loc)
 			downloadFileFromDc(targetFilename, loc, dcId, size, prog)
 		}
 
@@ -397,14 +400,17 @@ class DownloadManager(val client: TelegramClient, val prog: DownloadProgressInte
 				if (prog != null) prog.onMediaFileDownloadStarted()
 				do {
 					logger.trace("offset: {} block_size: {} size: {}", offset, size, size)
-					val req = TLRequestUploadGetFile(loc, offset, size)
+					val req = TLRequestUploadGetFile(loc, offset, 1024*1024)
 					var resp: TLFile? = null
 					try {
 						Utils.obeyFloodWait() {
 							resp = download_client!!.executeRpcQuery(req, dcID) as TLFile
 						}
 					} catch (e: RpcErrorException) {
+						logger.trace("RpcErrorException")
+						logger.trace("{}", e.localizedMessage)
 						if (e.getCode() == 400) {
+							logger.trace("code 400")
 							// Somehow this file is broken. No idea why. Let's skip it for now.
 							return false
 						}
diff --git a/src/main/kotlin/de/fabianonline/telegram_backup/LoginManager.kt b/src/main/kotlin/de/fabianonline/telegram_backup/LoginManager.kt
index 86aefe0..533f299 100644
--- a/src/main/kotlin/de/fabianonline/telegram_backup/LoginManager.kt
+++ b/src/main/kotlin/de/fabianonline/telegram_backup/LoginManager.kt
@@ -27,7 +27,7 @@ class LoginManager(val app: TelegramApp, val target_dir: String, val phoneToUse:
 		
 		// We now have an account, so we can create an ApiStorage and TelegramClient.
 		val storage = ApiStorage(file_base)
-		val client = Kotlogram.getDefaultClient(app, storage, Kotlogram.PROD_DC4, null)
+		val client = Kotlogram.getDefaultClient(app, storage, null, Kotlogram.PROD_DC4)
 		
 		val sent_code = send_code_to_phone_number(client, phone)
 		println("Telegram sent you a code. Please enter it here.")
diff --git a/src/main/kotlin/de/fabianonline/telegram_backup/mediafilemanager/DocumentFileManager.kt b/src/main/kotlin/de/fabianonline/telegram_backup/mediafilemanager/DocumentFileManager.kt
index 493c0a6..a3b63d5 100644
--- a/src/main/kotlin/de/fabianonline/telegram_backup/mediafilemanager/DocumentFileManager.kt
+++ b/src/main/kotlin/de/fabianonline/telegram_backup/mediafilemanager/DocumentFileManager.kt
@@ -75,7 +75,8 @@ open class DocumentFileManager(message: JsonObject, file_base: String) : Abstrac
 
 	@Throws(RpcErrorException::class, IOException::class, TimeoutException::class)
 	override fun download(prog: DownloadProgressInterface?): Boolean {
-		DownloadManager.downloadFile(targetPathAndFilename, size, json["dcId"].int, json["id"].long, json["accessHash"].long, prog)
+		var version: Int = if (json.contains("version")) json["version"].int else 0
+		DownloadManager.downloadFile(targetPathAndFilename, size, json["dcId"].int, json["id"].long, json["accessHash"].long, version , prog)
 		return true
 	}
 }
diff --git a/src/main/kotlin/de/fabianonline/telegram_backup/mediafilemanager/FileManagerFactory.kt b/src/main/kotlin/de/fabianonline/telegram_backup/mediafilemanager/FileManagerFactory.kt
index 84693a7..2c02bf8 100644
--- a/src/main/kotlin/de/fabianonline/telegram_backup/mediafilemanager/FileManagerFactory.kt
+++ b/src/main/kotlin/de/fabianonline/telegram_backup/mediafilemanager/FileManagerFactory.kt
@@ -74,6 +74,8 @@ object FileManagerFactory {
 				return UnsupportedFileManager(message, file_base, "contact")
 			} else if (media.isA("messageMediaVenue")) {
 				return UnsupportedFileManager(message, file_base, "venue")
+			} else if (media.isA("messageMediaGame")) {
+				return UnsupportedFileManager(message, file_base, "game")
 			} else {
 				AbstractMediaFileManager.throwUnexpectedObjectError(media["_constructor"].string)
 			}
diff --git a/src/main/kotlin/de/fabianonline/telegram_backup/mediafilemanager/StickerFileManager.kt b/src/main/kotlin/de/fabianonline/telegram_backup/mediafilemanager/StickerFileManager.kt
index 1056b07..838c154 100644
--- a/src/main/kotlin/de/fabianonline/telegram_backup/mediafilemanager/StickerFileManager.kt
+++ b/src/main/kotlin/de/fabianonline/telegram_backup/mediafilemanager/StickerFileManager.kt
@@ -63,9 +63,10 @@ class StickerFileManager(message: JsonObject, file_base: String) : DocumentFileM
 
 	private val filenameBase: String
 		get() {
-			val set = sticker["stickerset"].obj.get("shortName").nullString ?: sticker["stickerset"].obj.get("id").string
+			//val set = sticker["stickerset"].obj.get("shortName").nullString ?:
 			val hash = sticker["alt"].string.hashCode()
-			return "${set}_${hash}"
+			//return "${set}_${hash}"
+			return "_${hash}"
 		}
 
 	override val targetFilename: String
diff --git a/src/main/resources/templates/html/_messages.mustache b/src/main/resources/templates/html/_messages.mustache
index 741e73b..4022934 100644
--- a/src/main/resources/templates/html/_messages.mustache
+++ b/src/main/resources/templates/html/_messages.mustache
@@ -7,7 +7,7 @@
 		{{/is_new_date}}
 		<li class="message {{#from_me}}from-me{{/from_me}} {{odd_even}} {{#same_user}}same-user{{/same_user}}" data-message-id="{{message_id}}" data-media="{{media_type}}">
 			<span class="time">{{formatted_time}}</span>
-			<span class="sender">{{user_first_name}}</span>
+			<span class="sender">{{user_first_name}} {{#user_last_name}}{{user_last_name}}{{/user_last_name}}</span>
 			{{#text}}<span class="text">{{text}}</span>{{/text}}
 			{{#media_sticker}}<span class="sticker"><img src="../stickers/{{media_file}}" /></span>{{/media_sticker}}
 			{{#media_photo}}<span class="photo"><img src="../{{media_file}}" /></span>{{/media_photo}}