Allow a GeometryCollection to be constructed from a GeometryCollection GeoJSON #150
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#134 reported an issue constructing a
GeometryCollectionfrom a GeoJSON string describing such an object. This was due toGrimzy\LaravelMysqlSpatial\Types\GeometryCollection::fromJson()expecting a GeoJSON string of typeFeatureCollection. This PR refactors that method to also allow aGeometryCollection.Please let me know if I've missed something or if you'd like me to make any changes!
Fixes #134