title: z.show limit problem in python interpreter
body: <p>I am using python interpreter in zeppelin and I want to display pandas DataFrame through <code>z.show()</code> without limit in 1000 rows.</p>
  
  <p>But when I increase <code>zeppelin.python.maxResult</code> then nothing changes and <code>z.show()</code> still display 1000 rows.</p>
  
  <p>Can anyone know what is the problem?</p>