Translated 09-Mongo_shell_querying_using_$gt_and_$lt. Resolves #95
Added more files to translate.
Translated 10-Mongo_shell_inequalities_on_strings. Resolves #96
Translated 11-Mongo_shell_using_regexes... Resolves #97
Merge branch 'master' of https://github.com/MongoDBPeru/subte