Don't blast user in the face with a JSON diff if possible.
Sort tile cover features before comparison s.t. changes to tile order are ignored.
Merge branch 'assert-output' into tile-scanline-test
Sketch of using tile coords for segments + localmin/max handling.
Unit tests for getTileSegments and isLocalMin/isLocalMax. Refs #20.
Merge remote-tracking branch 'origin/tile-scanline-tilecoords' into tile-scanline
remove dead code
remove turf-inside and geojson-extent as deps