removed member $pdo to serialize; tested dbAccess's serialize.
added sqlBuilder to serialize as well.
Merge branch 'refactor'
test works with DbConnect's serialization.
returns PdoStatement from select method.
auto-wiring for Pdo.
returns PdoStatement object from select method.
added pagination for query.
added phpdocs on what is returned.
fixed some logic about generating urls.
added psr/log and monolog as required package.
about to add logger; refactored exec to have only one execution point.
so that it will be easier to hook for log.
use compser's autoloader.
Profiles and logs db access activities.
log and profile execution of sql.
set up logger using Monolog.
maybe log the result profile to logger at tear down.
removed setting fetch mode in dbAccess. snitched all and fixed tests.
always use prepare/execute for sql on pdo.
Profile for DbAccess should be singleton to summarize the profile.