- `psd-tools.py` command-line interface is changed, 'debug' command is added;
- pretty-printing of internal structures;
- `psd-tools.py --version` command is fixed;
- `lsdk` tagged blocks parsing: this fixes some issues with layer grouping
- (thanks Ivan Maradzhyiski for the bug report and the patch).
+ (thanks Ivan Maradzhyiski for the bug report and the patch);
+- CMYK images support is added (thanks Alexey Buzanov, Guillermo Rauch and
+ https://github.com/a-e-m for the help);
+- Grayscale images support is added (thanks https://github.com/a-e-m);
+- LittleCMS is now optional (but it is still required to get proper colors).