Fixes grid direction for i/jScansPositively == 0, for now only applied to the 'lambert' projection in latlons() method.
Fixes grid direction for i/jScansPositively == 0,
for now only applied to the 'lambert' projection in latlons() method.

Changes to be committed:
	modified:   pygrib.pyx

jswhit/pygrib,jswhit/pygrib