public override string ToString()
{
string storedplayliststring = string.Empty;
storedplayliststring = storedplayliststring + "playlist: " + this.Playlist + "\n";
if (string.IsNullOrEmpty(this.LastModified)) storedplayliststring = storedplayliststring + "Last-Modified: " + this.LastModified + "\n";
else storedplayliststring = storedplayliststring + "Last-Modified: " + TimeSpan.FromSeconds(0) + "\n";
return storedplayliststring;
}