anchor.diff:  and will *not change* the URL prefix, ie v1.0 and v1.1 clients both uses the /api/v1/ prefix.
   
   == Changelog
  +=== v1.3
  +Added method to view last 24h namespace activity. Added method to obtain time series statistics.
  +
   === v1.2
   Added method to POST messages to devices through API method via the message broker network.
   A GET to the same URL will load message history.
  
positive.code:     registered_devices: [ ],
      unregistered_devices: [
          [
              "spaceland",
              "antnas-gw-0",
              "2016-02-22T12:55:33.165"
          ]
      ]
  }
  
negative.code: = Byteport API v1.3
  v1.2, 2016-02-15
  :library: Asciidoctor
  :idprefix:
  //:numbered:
  :imagesdir: images
  :toc: manual
  :toc-title: pass:[<h2>Table of Contents</h2>]
  