v0.9.0-pre6

• COMMON: Added more file/dir access utility functions
• COMMON: sail_image now also holds pixels along with image information
• PLUGINS: Scanline reading/writing interface has been refactored to read/write entire frames
• PLUGINS: Renamed preferred_output_pixel_format to default_output_pixel_format
• PLUGINS: Fixed saving images with default write options
• JPEG: Fixed crash on stopping unstarted compression
• JPEG: Fixed saving SOURCE images
• LIBSAIL: Renamed 'bits' to 'pixels'
• LIBSAIL: Added junior functions to read/write from/to memory
• LIBSAIL: Wrapped memory allocation functions so they can be easily re-defined in a single place (no standard mechanism so far)
• SAIL: macOS HomeBrew package is fully functional

Special thanks to the OpenNET community for their feedback.