anchor.diff:  django-pgjson documentation
   ===========================
   Andrey Antukh, <niwi@niwi.be>
  -0.2.0, 2014-09-13
  +0.3.1, 2015-07-09
   
   Experimental jsonb support by Charl P. Botha <cpbotha@vxlabs.com>
   
  
positive.code: - All json types. Including simple strings, floats, integers, booleans and null's.
  - Works well with python serialization.
  - Experimental: jsonb support in PostgreSQL >= 9.4
  
  Limitations
  ~~~~~~~~~~~
  
negative.code: ~~~~~~~~~~~~
  
  - Python 2.7 or 3.3+
  - Django 1.6, 1.7 and 1.8
  - psycopg2 2.5.0+
  - PostgreSQL 9.2+
  
  
  Supports
  ~~~~~~~~
  