Support `MultiLineString`, `MultiPolygon`, `MultiPoint` and `GeometryCollection ` geometry types

[latot]

Hi, please support:

• MultiLineString
• MultiPolygon
• MultiPoint
• GeometryCollection

With this geometries Dolt should have all the basic types, except the empty geometry, need to confirm this.

Thx to @fulghum debugging a sql file to know this.

Thx!