bump to version 5.1.2

bump version to 5.1.1

oh nevermind, typespecs don't support optional args

update CHANGELOG

Merge pull request #3 from lucidstack/with-buffer-size

5.0.0

bump version to 4.2.0

add 4.1.0 to changelog

add changelog with 4.0.0

bump version to 3.2.0

make earmark dep only for :dev and bump version