v0.1.0 beta

Performance is reasonable, especially in the 400hz range.
Still a bit higher than expected octave errors for male vocal range, but definitely useable.

v0.0.3 alpha

Now includes rzero.h in released zip files.

v0.0.2 alpha

Return pitch in lib.rs and optimize for 16khz sample rate

v0.0.1 pre-alpha

Initial release that has the cross-language interface defined, and set up travis.