[conformal/btcjson] a645c3: Add new extension command named debuglevel.

[Dave Collins]

  Branch: refs/heads/master
  Home:   https://github.com/conformal/btcjson
  Commit: a645c36f4558fc0316d9af00d89fc8b787a48170
      
https://github.com/conformal/btcjson/commit/a645c36f4558fc0316d9af00d89fc8b787a48170
  Author: Dave Collins <da...@conformal.com>
  Date:   2013-11-22 (Fri, 22 Nov 2013)

  Changed paths:
    M jsoncmd.go
    M jsoncmd_test.go
    M test_coverage.txt

  Log Message:
  -----------
  Add new extension command named debuglevel.

ok @jcvernaleo.