[conformal/btcjson] e2e688: Make a compatibility pass.

[Dave Collins]

  Branch: refs/heads/master
  Home:   https://github.com/conformal/btcjson
  Commit: e2e688e3d62a917d361762d22a47b6ee63f29741
      
https://github.com/conformal/btcjson/commit/e2e688e3d62a917d361762d22a47b6ee63f29741
  Author: Dave Collins <da...@conformal.com>
  Date:   2014-06-29 (Sun, 29 Jun 2014)

  Changed paths:
    M jsonresults.go

  Log Message:
  -----------
  Make a compatibility pass.

This commit modifies some of the types of the values to better match the
reference client JSON-RPC API.