Some GeoJSON fixes

Author: mevdschee

README.md

@@ -619,8 +619,8 @@ The GeoJSON support is a read-only view on the tables and records in GeoJSON for
     GET    /geojson/{table}      - list      - lists records as a GeoJSON FeatureCollection
     GET    /geojson/{table}/{id} - read      - reads a record by PK as a GeoJSON Feature
 
-The "`/geojson`" endpoint will only show what is allowed in your session. It also supports a "geometry"
-parameter to indicate the name of the geometry column in case the table has more than one of them.
+The "`/geojson`" endpoint internally uses the "`/geojson`" endpoint and inherits all functionality, such as joins and filters.
+It also supports a "geometry" parameter to indicate the name of the geometry column in case the table has more than one of them.
 The following Geometry types are supported by the GeoJSON implementation:
 
   - Point