Fixed a minor bug where the markers original zIndex was being changed when a marker was spiderfied/unspiderfied.
Now instead of setting the zIndexOffset to 1000000, it is taking the existing zIndexOffset and adding/subtracting 1000000 to it when it spiderfies.
Fixed a minor bug where the markers original zIndex was being changed when a marker was spiderfied/unspiderfied. Now instead of setting the zIndexOffset to 1000000, it is taking the existing zIndexOffset and adding/subtracting 1000000 to it when it spiderfies.