TAJO-1081: Non-forwarded (simple) query shows wrong rows.

Closes #175
TAJO-1081: Non-forwarded (simple) query shows wrong rows. (missed fix for test)
TAJO-1072: CLI gets stuck when wrong host/port is provided. (Jihun Kang via hyunsik)

Closes #169
TAJO-1065: The \admin -cluster argument doesn't run as expected. (Jongyoung Park via hyunsik)

Closes #173