[conformal/btcrpcclient] a8dda1: Add ListReceivedByAddress support.

[Dave Collins]

  Branch: refs/heads/master
  Home:   https://github.com/conformal/btcrpcclient
  Commit: a8dda1fabff762c132aadcccf8747fe1410a386d
      
https://github.com/conformal/btcrpcclient/commit/a8dda1fabff762c132aadcccf8747fe1410a386d
  Author: Dave Collins <da...@conformal.com>
  Date:   2014-10-26 (Sun, 26 Oct 2014)

  Changed paths:
    M wallet.go

  Log Message:
  -----------
  Add ListReceivedByAddress support.

This commit also fixes a couple of comment typos found while adding
support for ListReceivedByAddress.

Closes #20.