An 'initClient' should have a corresponding 'closeClient', otherwise, we will get "Out of client slots" error.
An 'initClient' should have a corresponding 'closeClient', otherwise, we
will get "Out of client slots" error.

zyzyis/monetdb,zyzyis/monetdb,zyzyis/monetdb,zyzyis/monetdb,zyzyis/monetdb,zyzyis/monetdb,zyzyis/monetdb,zyzyis/monetdb,zyzyis/monetdb,zyzyis/monetdb