Fixes some known issues, hopefully all (zikichombo#16)

* slight phrasing improvement

* codec as interface, bugfixes, untested

* simplified interface

* empty tests

* very minor testing

* tested offline

use s v0.1.1-alpha.2 (#14)


* update to sound v0.1.1-alpha.2

update modules with new semver prerelease info

normalize README format