v0.0.6

Thanks to BNNorman for adding support for down link messages into the code base

Now cache the OTAA auth details

Various improvements to improve behaviour with OTAA authentication

No longer try to initialise unused pin

The code tried to initialise a pin that it didn't actually need. This could cause an issue if the pin was used by something else.

Fix exception is MHDR major version doesn't match

Fix exception generation if MHDR major version doesn't match what we expect.

More GPS error handling

Also reduce default logging output

initial release

v0.0.1

Now packaged up