Olli Raisa

Hi, The old las2e57 tool writes E57 files that contain 16-bit color data. Currently E57SimpleReader throws an error, if a color element value is greater than 255: ``` ERROR: ****...

Here is a small test file, down-sampled and converted [ColouredCubeFloat.e57](https://github.com/asmaloney/libE57Format-test-data/blob/main/self/ColouredCubeFloat.e57) : [ColouredCubeSample.zip](https://github.com/asmaloney/libE57Format/files/9911670/ColouredCubeSample.zip)