ENH: Add a coordinate indexer to allow slicing of GeoSeries by x, y coordinates
TST: Tests for coordinate slices
Merge branch 'master' into feature/coordinate_index

Conflicts:
	geopandas/geoseries.py
	tests/test_geoseries.py
Merge branch 'master' into feature/coordinate_index

Conflicts:
	tests/test_geoseries.py
Merge pull request #55 from geopandas/feature/coordinate_index

Add coordinate indexing