dlib 0.22.0 beta1

• dlib.core
  • Breaking change: removed dlib.core.oop.implements (non-working function)
• dlib.math
  • Fix matrix subtraction
  • Fix wrong bounds check in matrix slice assignment
  • Breaking change: removed dlib.math.linsolve.solveGS (non-working function)
  • Binary matrix operations are now const
  • sum, invertArray, allIsZero in dlib.math.utils are deprecated. Use reduce!((a, b) => a + b), map!(a => -a), reduce!((a, b) => a + b == 0) instead
• dlib.image
  • Breaking change: deprecated type dlib.image.image.PixelFormat has been removed
  • Breaking change: deprecated aliases save and load in dlib.audio.io have been removed
• dlib.audio
  • Breaking change: deprecated aliases save, load, saveAnimated, loadAnimated, saveHDRI, loadHDRI in dlib.image.io have been removed
• dlib.text
  • Breaking change: deprecated method UTF8Decoder.byDChar have been removed
  • Breaking change: deprecated method UTF16LEDecoder.byDChar have been removed
  • Breaking change: deprecated aliases UTF16Decoder and UTF16Encoder have been removed
• dlib.serialization
  • Boolean values support in JSON decoder.