[conformal/btcjson] cea112: Add tests for listreceivebyaddress.

[John C. Vernaleo]

  Branch: refs/heads/master
  Home:   https://github.com/conformal/btcjson
  Commit: cea1120a0aef7d76a81008f47ee9809a08473ab1
      
https://github.com/conformal/btcjson/commit/cea1120a0aef7d76a81008f47ee9809a08473ab1
  Author: John C. Vernaleo <j...@conformal.com>
  Date:   2014-01-07 (Tue, 07 Jan 2014)

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

  Log Message:
  -----------
  Add tests for listreceivebyaddress.

Fix bug with minconf type caught by test (thanks oga).