Translated 16-Mongo_is_Schemaless. Closes #394
Removed last line
Completed query
Translated 20b-Geospatial_Spherical. Closes #398.
Merge branch 'master' of https://github.com/MongoDBPeru/subte-m101p into issue-394
Updated according to feedback from @puentesarrin
Updated according to feedback from @juancarlosfarah
Merge pull request #421 from jcarlosgarcia/issue-394

Translated 16-Mongo_is_Schemaless. Closes #394
Merge pull request #422 from puentesarrin/issue-398

Translated 20b-Geospatial_Spherical. Closes #398.