v1.7.2
Bug Fixes:
 * Fixed issue with colour balance estimation when non-default bayer pattern is used for debayering.
Enhancements:
 * Added ability to disconnect playback controls to allow a greater zoom.
 * Added support for NeuQuant neural-net quantisation algorithm for improved colour GIF generation.
 * Updated save frames dialog to make it more user friendly.
 * Added Polish language translation.
 * TIFF image writing made faster, plus support for 16-bit data and true monochrome added (TIFF code from PIPP used).
 * PNG image writing made faster, plus support for 16-bit data and true monochrome added (libpng now used).
 * Changed image background to very dark grey.
 * Added Polish language translation.
 * Added Russian language translation.
