title: pgadmin 4 import/export table does not work
body: <p>I have made sure that the columns match the 'column to export' field in the columns tab, not null columns have data, tried in both csv and txt but all i get is a message saying:</p>
  
  <blockquote>
    <p>import/export job created</p>
  </blockquote>
  
  <p>Nothing else: no errors, no warning, no completion.</p>
  
  <p>windows 7 os<br>
  Version1.4<br>
  CopyrightCopyright 2013 - 2017, The pgAdmin Development Team<br>
  Python Version2.7.12 (v2.7.12:d33e0cf91556, Jun 27 2016, 15:19:22) [MSC v.1500 32 bit (Intel)]<br>
  Flask Version0.11.1<br>
  Application ModeDesktop  </p>
  
  <p>till then ill try via psql</p>