- use unhexlify to get binary wkb data, the str.decode('hex') does not work   in Python 3.3
- use unhexlify to get binary wkb data, the str.decode('hex') does not work
  in Python 3.3

koldunovn/geopandas,kwinkunks/geopandas,micahcochran/geopandas,fonnesbeck/geopandas,micahcochran/geopandas,jorisvandenbossche/geopandas,jorisvandenbossche/geopandas,ozak/geopandas,urschrei/geopandas,ozak/geopandas,maxalbert/geopandas,jorisvandenbossche/geopandas,IamJeffG/geopandas,geopandas/geopandas,snario/geopandas,scw/geopandas,geopandas/geopandas,perrygeo/geopandas,geopandas/geopandas,jdmcbr/geopandas,jdmcbr/geopandas