Add MultiLineString encoder test
Implement MultiLineString encoding
Add MultiPolygon encoding tests
Implement MultiPolygon encoding
Add GeoFeature encoding tests
Add minimal GeoFeature encoding test skeleton
Rename getID to getId
JSON to Json in class names
Start adding support for GeoFeature encoding
JSON to Json in tests too
Building GeoFeature serializer
Test for property names in GeoFeature
Implement property name retrieval from GeoFeature
Implement GeoFeature encoding
Add extra GeoFeature and collection encoding tests