- more utility functions for pysal - networkx interop
- more utility functions for pysal - networkx interop

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