Completed shapefile unit test.
Completed shapefile unit test.

Alwnikrotikz/pysal,AlanZatarain/pysal,Alwnikrotikz/pysal,AlanZatarain/pysal,AlanZatarain/pysal,Alwnikrotikz/pysal,tectronics/pysal,tectronics/pysal,tectronics/pysal