get_default_geocoder: Get/Set the default geocoder
Description
The geocode function can use google, pickpoint, or data science toolkit
to turn human-readable names into coordinates. Use these methods to get/set
the default source. These will need to be called once per namespace load.
Usage
get_default_geocoder()
set_default_geocoder(geocoder)
Arguments
geocoder
The new source to use. One of "pickpoint", "google", or "dsk".