Be a little more pedantic about sscanf usage and check the return value.
update pre-requisites
Merged revisions 5206-5207 via svnmerge from https://matplotlib.svn.sourceforge.net/svnroot/matplotlib/branches/v0_91_maint
........ r5207 | mmetz_bn | 2008-05-21 11:47:59 +0200 (Wed, 21 May 2008) | 1 line Fixed bug in plotfile ........
Fixed bug in plotfile
Merged revisions 5205 via svnmerge from https://matplotlib.svn.sourceforge.net/svnroot/matplotlib/branches/v0_91_maint
........ r5205 | jdh2358 | 2008-05-20 16:02:08 -0500 (Tue, 20 May 2008) | 1 line remove pesky date auto xlabel ........
remove pesky date auto xlabel
don't need to import numpy
added Eric's support to 2-d lat/lon array back to proj wrapper
regenerate C source using newest version of Cython
change variable name
