crash when select "similar artist"

[GoogleCodeExporter]

Description of the issue:
theLastRipper crashes when "similar artist" is chosen for streaming.

What steps will reproduce the problem?
1. log in to last.fm
2. select "similar artist" and for example "Lucio Dalla"
3. tune in > crash

What is the expected output?
recording "Lucio Dalla Radio"

theLastRipper streams correct when "tag" or "playlist" is selected!


GENERAL INFORMATION ABOUT YOUR SYSTEM:

TheLastRipper version? 1.4.1
Mono/.Net runtime version? Mono JIT compiler version 2.10.6 (tarball Sat Oct 29 
18:16:09 UTC 2011)
Copyright (C) 2002-2011 Novell, Inc, Xamarin, Inc and Contributors. 
www.mono-project.com
        TLS:           __thread
        SIGSEGV:       altstack
        Notifications: epoll
        Architecture:  amd64
        Disabled:      none
        Misc:          debugger softdebug 
        LLVM:          supported, not enabled.
        GC:            Included Boehm (with typed GC and Parallel Mark)
Operating system and version? openSuse 12.1 x86_64

Original issue reported on code.google.com by stof999 on 5 Jul 2012 at 1:25