saugns v0.4.0. Add 'R' random segments generator.
Language changes:
* Rename generator type 'O' to 'W'.
[Add backward-compatibility deprecated alias.]
* Add generator type 'R' (Random segments generator).
It shares most parameters with type 'W'.
* Rename sweep subparameter 'r' to 'l' (line fill type).
[Add backward-compatibility deprecated alias.]
Also, new example scripts actually worth
listening to (much more so than the old).
The design is minimally adjusted in this version;
the main thing is that there's now a full-featured
second audio generator available. More OO redesign
will be done for adding further generator types.
The "N" noise generator in the 2023-01 "mgensys"
version ('old-dev_202301' git branch) is still
left to bring into this main branch/program,
but everything else of value is available,
in a better, more polished program.