[src] Fixing the formatting of geo.go and elaborating on functionality a bit more clearly
[src] Adding some documentation to the geocoder.go interface
[src] Adding some documentation to the mapper.go interface
[src] Reformatting the documentation for point.go and adding in EARTH_RADIUS constant
[src] Fixing documentation for sql_conf.go
[src] Reformatting the doucmentation for sql_mapper.go