StevenMaude/bbc_radio_tracklisting_downloader — pull request #8 by StevenMaude (2014-12-14 11:34:27+00:00)
Title: Handle broken artist entries

e.g. as in http://www.bbc.co.uk/programmes/b04sn1n6/segments.inc
(Specifically the "Hot Music" entry.)

There is an artist entry, but no text inside it which then breaks due
to artists = artist_names[0].