[conformal/btcchain] 1a2baa: Add CompactToBig example.

[Dave Collins]

  Branch: refs/heads/master
  Home:   https://github.com/conformal/btcchain
  Commit: 1a2baa3099511003a53fc11407043182e93977c1
      
https://github.com/conformal/btcchain/commit/1a2baa3099511003a53fc11407043182e93977c1
  Author: Dave Collins <da...@conformal.com>
  Date:   2014-07-08 (Tue, 08 Jul 2014)

  Changed paths:
    M README.md
    M doc.go
    M example_test.go

  Log Message:
  -----------
  Add CompactToBig example.