Run tests before official build.
Proper gap behavior. Send to the correct change address.

https://github.com/sowbug/happynine/issues/13
https://github.com/sowbug/happynine/issues/43
Always rebuild tests on official build.
Bump version => 0.0.9.0
Fixed buggy tagging.
Update with confirmed transaction ID
Updated out-of-date README
Derive *addresses* from zeroth onward.

https://github.com/sowbug/happynine/issues/35