- update to 1.9.1:
* x11_color: Simplify and fix error paths
* JPEG loader: Use mmap'ed file access
* modules: Eliminate __imlib_TrimLoaderList()
* Introduce strsplit()
* modules: Cosmetics, mostly
* modules: Enable setting multiple loader/filter paths
* test: Add test_misc
* modules: Fix signdness warning
* TIFF loader: Change default save compression type
* imlib2_load: Remove unused macro
* imlib2_conv: Cosmetic changes
* imlib2_conv: Drop obsolete .db stuff, simplify
* imlib2_conv: Enable passing attached data to saver
* check for some alloc failures
* check for alloc failures some more
* modules: check for filepath truncation
* Remove some deprecation comments
* Move API documentation to header file
* WEBP saver: Fix return code on success
* api.c: Cosmetics
* Refactor some image loading functions
* Refactor some image saving functions
* Image load: Change error code on zero file size
* Tweak __imlib_LoadImageData()
* Error code rework: Use errnos/new imlib2 error codes internally
* Add imlib_load/save_image_with_errno_return() and imlib_strerror()
* Switch to imlib_load/save_image_with_errno_return()
* Deprecate imlib_load/save_image_with_error_return()
* imlib2_load: Tweak verbose output