Bumped SensorModbusMaster dependency

Signed-off-by: Sara Damiano <sdamiano@stroudcenter.org>

Fixed version number in change log

Signed-off-by: Sara Damiano <sdamiano@stroudcenter.org>

Merge pull request #6 from EnviroDIY/develop

Develop

Merge pull request #3 from EnviroDIY/develop

Add doxygen, update examples, test more processors

Another attempt

Signed-off-by: Sara Damiano <sdamiano@stroudcenter.org>