saugns v0.4.0d. x86-64 clang builds fix. Add 2 line types. Language changes: * Line types. - Add 'nhl' (noise hump line) -- a medium line-plus-noise type. - Add 'ncl' (noise camel line) -- a softer line-plus-noise type. Fix clang x86-64 build bug, which broke audio for 'R mt' and 'R mvb' in scripts in v0.4.0x. Did not affect x86 clang, x86-64 gcc, builds. Issue #4 on Codeberg has more information: https://codeberg.org/sau/saugns/issues/4 Split out COPYING.LESSER from COPYING so that automated license listings on various websites work with this repo.