New commands: `needs` and `check`

See readme for details.

New imports

New imports, new tests.

adding flags

It seemed strange to take to parameters via buoy go.mod v1.0 so there is a new flag for the release: buoy go.mod --release v1.0.

PoC

v0.1.0

buoy is hard to spell fast

PoC

v0.0.3

buoy is hard to spell fast

Fix go mod import

v0.0.2

typo

PoC

Working Proof of Concept.