Coinffeine/coinffeine — pull request #173 by edrevo (2014-06-12 17:28:42+00:00)
Title: Move dependencies out of the constructor in the exchange classes

**Description** This is a small refactor that moves dependencies out of the constructor so that the Exchange supervisor can be written.
**Testing** Tests pass
**Coverage** 92% for the exchange package, 95.37% for the handshake package