title: PgAdmin3 1.20 version for Ubuntu 16.04
body: <p>I have Ubuntu 16.04 and downloaded PgAdmin3 1.22.1 version. This version is not compatable with one of my postgresql database. I got error:
  An error has occurred:</p>
  
  <pre><code>11:32:25: Error: ERROR:  function pg_get_function_result(oid) does not exist
  LINE 1: SELECT pr.oid, pr.xmin, pr.*, pg_get_function_result(pr.oid)...
                                        ^
  HINT:  No function matches the given name and argument types. You might need to add explicit type casts.
  </code></pre>
  
  <p>So I need to downgrade my PgAdmin.I can't any information is it possible to to for Ubuntu 16.04 and how. Help me</p>