jamescasbon/PyVCF — pull request #116 by martijnvermaat (2013-08-14 07:56:27+00:00)
Title: Allow fields in contig definition before length

This is a bit of a hack and should really be generalized to proper parsing of all header lines.

But anyway, I saw this specific case being used [in the wild](http://www.genoomvannederland.nl/?page_id=9) so thought it was worth patching.