Start to subclass Series to a GeoSeries
Tests for GeoSeries
Add __init__.py files
Add plot method for GeoSeries
Alternate constructor to create GeoSeries from a file
Use colorbrewer colors
Change default alpha
Rename file to geoseries.py
import GeoSeries in __init__.py
centroid property
Implement buffer method
Implement length method
Implement simplify method
BUG: simplify is not a property
Update tests
Test driven!  Tests for unary predicates
implement is_valid property
Implement unary predicates
Fix is_ring test
Simple setup.py file