GeometryOps tests broken on Shapefile master

[asinghvi17]

It looks like https://github.com/JuliaGeo/Shapefile.jl/pull/131 broke GeometryOps tests that were relying on Shapefile.Table being a table above it being a feature collection.

The GI feature collection interface is also not fleshed out well on the Tables.jl end so things like Tables.getcolumn don't work.

Let's also not release until that's cleaned up, and maybe make it a breaking release, since Table now has a trait where it did not have one before this.