Merge pull request faiface#141 from dbednar230/patch-1

Remove obsolete unimplimented warning

Merge pull request faiface#129 from faiface/dusk125-patch-1

Merge pull request faiface#68 from mewpull/wav-reader-no-closer

flac,wav: relax Decode input to support io.Reader without Close method

Merge pull request faiface#48 from jboverfelt/go-modules

add support for Go Modules

effects: wording