v0.5.2 — Fix VAD feature directionality

v0.5.1 — Fix VAD guide visualization (filename collision with Doxygen…

… output)

v0.5.0 — Add voice activity detection (VAD) module

v0.4.0 — Configurable error handler, replace all assert() calls

v0.3.1 — docs improvements, config tweaks, pre-push hook diagnostics

v0.3.0 — Brickwall lowpass, spectext steganography, sinc resampler, m…

…el_viz tool

v0.1.0 — initial versioned release