5.0.15

• Spectral unmixing - Fixed bug in write_endmembers_mtxt
• Add function which can merge data extracted to hdf5 files in variable dimension
• Added function to extract images from PDF file.
• Classification accuracy assessment - bug fix and new function for stratified random sampling points
• Added function to calculate percentiles on a per pixel basis from a set of images

Full Changelog: 5.0.14...5.0.15