Version 0.4.0
Version 0.4.0

Add some automated tests.
Update 1.0+ examples to use Leaflet@1.3.1.
Use public isFlat when it's available, add fallback.
Save original Polygon.toGeoJSON before overriding.

ebrelsford/Leaflet.snogylop,ebrelsford/Leaflet.snogylop