Move segment writers in their own methods
Add support for GeometryCollection in modify interaction
Use Select interaction in modify interaction example.
Store mouse last position to draw vertex at feature selection
Make interaction ctor only have an option object
Render style for Point inside GeometryCollection.
Remove useless style method
%s/render.FeaturesOverlay/FeatureOverlay/
Use strings for GeometryType in examples
Use closure for styles & fix case