Include header in sdist

Fix license name because hackage complained

Add changelog to sdist

v0.5.3.2: quick regression fix

v0.5.3; also bumped dependency versions

-m option in readme

v0.5.1: added export library option

Use JP's dyn to rgb8 function

v0.5.0.1, fixed a bug in reading beats.plist

incorrectly converted the code from jelly...