Note in README about geometry and coordinate reference systems
Note in README about geometry and coordinate reference systems

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