Release v0.99.0-rc3

Non-blocking, configurable beep (#143)

* non-blocking beep

* Update CHANGELOG.md

* Update CHANGELOG.md

* configurable beeper

* Fix type in beeper.h

Release v0.99.0-row

2 row buffer

Release v0.99.0-ref

control

Release v0.99.0-knit

move first run from knit() to begin()

Release v0.99.0-enc

remove OpKnit::encodePosition()

Release v0.99.0-wrap

mock PacketSerial

Release v0.99.0-op

use ATOMIC_BLOCK

Release v0.99.0-async

Merge branch 'op' into async

Release v0.99.0-beep

Merge branch 'v1.0-dev' into beep

Release v0.99.95

check tag for compliance with semver2.0