* muxing
* Add HSV support (#2758)
* Add HSV support
* Add tests
* Update dlib/pixel.h
Co-authored-by: Adrià Arrufat <1671644+arrufat@users.noreply.github.com>
* Add HSV struct and make more things const
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Co-authored-by: Davis E. King <davis685@gmail.com>
* Fix imglab changing the current dir too soon (#2761)
* A bit of cleanup
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Co-authored-by: pf <pf@me>
Co-authored-by: Adrià Arrufat <1671644+arrufat@users.noreply.github.com>
Co-authored-by: Davis E. King <davis685@gmail.com>
Co-authored-by: Davis King <davis@dlib.net>
