Fix fault bit clearing behaviour

Merge pull request #6 from Rimco/patch-1

Fix clearFault

Fix compilation for new implementation of macro

This change hasn't hit a stable release yet but will do at some point - makes the semicolon that should've been there anyway a necessity.

Allow multiple devices per bus

Merge pull request #4 from jamieparkinson/multiple-devices-same-bus

Don't error when the host bus is already initialised