Merge branch 'master' into arakiken
Apply arakiken's patch to add clipping options
http://mlterm.sourceforge.net/libsixel-addcopton.patch
Apply clipping region before scaling process
Merge branch 'master' into sandbox
Merge branch 'feature-clipping' into sandbox
Bump version
Merge branch 'sandbox' into release-1.1
Add some images
Merge branch 'develop'
Update README
Merge branch 'master' into develop

Conflicts:
	README.md
Update README
Fix a typo
Merge branch 'develop' into release-1.1
Update documents
Merge branch 'feature-clipping' into release-1.1
Merge branch 'release-1.1'