Fix for use of ordered dictionary items
Fix for use of ordered dictionary items

Previously the code was using a regular dictionary as if it were ordered.  Aside from being incorrect, this resulted in problems on some newer versions of Python.  This fix use collections.OrderedDict instead.

Also incrementing version number to 2.1.3

mcfarljm/fortwrap,mcfarljm/fortwrap,mcfarljm/fortwrap,mcfarljm/fortwrap