Merge pull request #9 from pihizi/master

直接those->query()时，如果需要计算count，也需要传入SQL_params
count_SQL later binding
Merge https://github.com/iamfat/gini
Merge pull request #10 from pihizi/master

uglifyjs define const
Merge branch 'master' of github.com:iamfat/gini
Merge https://github.com/iamfat/gini
$SQL -> $this->SQL