Bug Fix Release

Issue #22
Issue #23
Issue #24
Issue #25
Issue #26
Issue #27
Issue #28

Enhancements and bug fixes

Issues fixed:

#22
#21
#20
#11
#19

Added INA3221 support

Fixed #2

Initial release

Initial library and example program release. Tested with INA219, INA226 and INA260 while the INA230 and INA231 devices should also work as they are identical from the register and LSB configurations.