Add z index support#2

Merged

dulldrums merged 3 commits intodevelopfrom

add-z-index-support

Sep 5, 2019

Commits on Nov 6, 2017

Added support for PointZ, PolylineZ, PolygonZ, MultiPoint, MultiPointZ
jeff-tenhave
committed

Commits on Nov 8, 2017

geojson.js is compatible with ES5
jeff-tenhave
authored

Commits on Sep 5, 2019

Merge remote-tracking branch 'jeff-tenhave/shp-write/geometry_types' into add-z-index-support
dulldrums
committed