Prevent invalid memory access
ABI version 0.2.0
Add deprecated attribute to some functions
Keep compatiblity with abi-1.0.0 branch
Minor fix
Minor fix
Fix a bug of memory layout of palette structure
Update interface symbols
Add new function sixel_dither_get
Minor update
Merge branch 'master' into abi-0.2.0

Conflicts:
	config.h.in
	configure
	configure.ac
	converters/img2sixel.c
	src/tosixel.c
Performance optimization
Merge branch 'abi-0.2.0' into abi-1.0.0

Conflicts:
	configure
	configure.ac