enable parse of several queries in the same stream
put key in set
use option to specify which loader to use
add kjeq parser (use of an external binary)
add options to specify aq-tools and aq-engine-tests binaries
add time report
add random mode for database generator
better row set comparator
use AlgoQuestDB python module to run aql query
when order is use in query, the result must be checked with order