For getting even more speed for BBOX queries which utilize spatial index of 
GeoPackage and Spatialite databases it would be good to update the SQLite 
driver that is delivered with OpenJUJMP Plus. The version we use now is 
sqlite-jdbc- but starting from version 3.17 the R-Tree index should 
be 25% faster, see https://www.sqlite.org/releaselog/3_17_0.html.

I made some tests with the newest driver version 3.20 that I found from 
https://bitbucket.org/xerial/sqlite-jdbc/downloads/ and it did not seem to 
break anything. So I suggest to start delivering this one with OJ Plus:

-Jukka Rahkonen-

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