Added basic DS1388 support
Initial addition of isRunning for both DS1388 and DS1307 (1307 changes from ladyada's fork)
Whitespace fixes
fix .h
Fixes for twowire.
Merge pull request #1 from davidmpye/master

DS1388/DS1307 support for isrunning()
Merge pull request #4 from elpaso/master

DS1388 support + isRunning resumed