Release Summary for 4.1.20
  Changes to 4.1 after version 4.1.19
  * Summary
      - As a developer I want the phone numbers API to support PATCH so that I can easily update parameters
  * Commits
      - [KAZOO-5588: PATCH phone numbers on v2 (#3919)
  * KAZOO-5588: WIP
  * fix merging number docs
  * fix declaring patch binding
  * KAZOO-5588: docs](https://github.com/2600hz/kazoo/commit/495b37d83f142bbecae5721e814752f6f29d758b) by Pierre Fenoll
  * [Merge remote-tracking branch &#039;origin/master&#039; into 4.1](https://github.com/2600hz/kazoo/commit/145683d8b84e2849c0c53ce1a66ae5b9d2e6faf6) by karl anderson
  * [qf-PoR: add /port_requests/last_transitions API endpoint (#3920)  * fix lager formatting    * qf-PoR: add /port_requests/last_transitions API endpoint    * qf-PoR: document new endpoint    * qf-PoR: amend goal per feedback](https://github.com/2600hz/kazoo/commit/a6582b01e5d05d33e5c57ab45d55f10db5bf9532) by Pierre Fenoll
  * [use merge_recursive for dataplans (#3922)](https://github.com/2600hz/kazoo/commit/ea9cd5628979961b17d875e068baf4440cdb5203) by lazedo
  * [PISTON-442: use PresenceId for default CallId in acdc_util:presence_update/3 (#3917)](https://github.com/2600hz/kazoo/commit/86876f0485f009481e442a26861bd3788b69b5f9) by Daniel Finke
 -- 2600Hz Offical <packages@2600hz.com>  Mon, 03 Jul 2017 19:58:33 +0000
