Call this Biopython 1.72
Call this Biopython 1.71
Call this Biopython 1.70
Call this Biopython 1.69
Call this Biopython 1.68
Call this Biopython 1.67
Python 2.6 unittest lacks assertLessEqual etc
Include Biopython 1.65 release date
simple.dnd include
Require at least 3.2.1 for rdflib