[conformal/btcutil] ea2772: Export the hdkeychain min and max seed byte lens.

[Dave Collins]

  Branch: refs/heads/master
  Home:   https://github.com/conformal/btcutil
  Commit: ea27722dac7a5b15d34c5f4271691a16b1c90226
      
https://github.com/conformal/btcutil/commit/ea27722dac7a5b15d34c5f4271691a16b1c90226
  Author: Dave Collins <da...@conformal.com>
  Date:   2014-09-25 (Thu, 25 Sep 2014)

  Changed paths:
    M hdkeychain/extendedkey.go

  Log Message:
  -----------
  Export the hdkeychain min and max seed byte lens.