Merge pull request #26 from alejandrofcarrera/master

Assignment 6 Completed
Assignment 6: Sergio Conde work.
Include Sandra_Saez directory &  queries.sparql (complete)
Merge pull request #27 from sansr/master

Include Sandra_Saez directory &  queries.sparql (complete)
Added class queries
Merge pull request #28 from baraalex/master

Added class queries