4.5.0: The WXY Release

• Add WXY colour space
• Fix dominant wavelength calculation in cases where the spectral locus intersect was dominant but line of purples was closer
• Make excitation purity and imaginary calculations more robust to edge cases, e.g. imaginary white point

🌈🎁 Wacton.Unicolour NuGet Package
🔮🎁 Wacton.Unicolour.Datasets NuGet Package