Merge pull request #4 from gerferra/fixes

parseLine(String) retorna Option[Row] ahora
Updatw query signature
fix parseLine tests
Dates are Strings, readLines
order of functions, change string to dates
Merge pull request #5 from fedesilva/syncing

Syncing peoples!
simple test for query
Merge pull request #6 from fedesilva/add-test-query

simple test for query
Tests más finos para parseLine