[conformal/btcjson] 1caddd: handle http errors

[Javed Khan]

  Branch: refs/heads/master
  Home:   https://github.com/conformal/btcjson
  Commit: 1caddd4a37d2e85c65e36065bdd47cf946e9e4c1
      
https://github.com/conformal/btcjson/commit/1caddd4a37d2e85c65e36065bdd47cf946e9e4c1
  Author: Javed Khan <tuxcan...@gmail.com>
  Date:   2014-09-16 (Tue, 16 Sep 2014)

  Changed paths:
    M jsonapi.go
    M jsonresults.go

  Log Message:
  -----------
  handle http errors

ok @jrick, @jcvernaleo