Remove all uses of carriage return when --newlines is set; add --newl…

…ines to help message

Closes #155

main.go

@@ -124,6 +124,10 @@ Options:
 		Be careful to monitor your disk usage when using this to avoid filling
 		your drive while away.
 
+	--newline
+		Print every message to a new line, instead of some messages reusing one
+		line.
+
 	--no-audio
 		Do not download the audio stream
 
@@ -1041,7 +1045,10 @@ func main() {
 	} else if quiet {
 		loglevel = LoglevelQuiet
 	}
-	log.SetPrefix("\r")
+
+	if !statusNewlines {
+		log.SetPrefix("\r")
+	}
 
 	if forceIPv4 {
 		networkType = NetworkIPv4

player_response.go

@@ -397,7 +397,14 @@ func (di *DownloadInfo) GetPlayablePlayerResponse() (retrieved int, pr *PlayerRe
 				liveWaited += di.RetrySecs
 				retryCount += 1
 				if loglevel > LoglevelQuiet {
-					fmt.Fprintf(os.Stderr, "\rRetries: %d (Last retry: %s), Total time waited: %d seconds",
+					msg := "Retries: %d (Last retry: %s), Total time waited: %d seconds"
+					if !statusNewlines {
+						msg = "\r" + msg
+					} else {
+						msg = msg + "\n"
+					}
+
+					fmt.Fprintf(os.Stderr, msg,
 						retryCount,
 						time.Now().Format("2006/01/02 15:04:05"),
 						liveWaited,
@@ -499,7 +506,14 @@ func (di *DownloadInfo) GetPlayablePlayerResponse() (retrieved int, pr *PlayerRe
 				liveWaited += di.RetrySecs
 				retryCount += 1
 				if loglevel > LoglevelQuiet {
-					fmt.Fprintf(os.Stderr, "\rRetries: %d (Last retry: %s), Total time waited: %d seconds",
+					msg := "Retries: %d (Last retry: %s), Total time waited: %d seconds"
+					if !statusNewlines {
+						msg = "\r" + msg
+					} else {
+						msg = msg + "\n"
+					}
+
+					fmt.Fprintf(os.Stderr, msg,
 						retryCount,
 						time.Now().Format("2006/01/02 15:04:05"),
 						liveWaited,