1.3.1

• Added geo_area function
• Added some Spatial4J configuration options

1.3.0

• Added geo_covering_geohashes
• updated convention for all geo UDFs to start with geo and as such geo_hash became geo_geohash
• Enhanced tests
• Small efficiency improvements
• Revoved DOA Spherical versions of functions with the advice of Jim Hughes

1.2.1

Minor fixes and error handling changes.  Now version 1.2.1