Merge branch 'develop' into stb_image
Add a test GIF image
Merge branch 'stb_image' into release-0.21
Update version
Merge branch 'release-0.21' into release
Add bash-completion definition file
Add bash-completion file to install target
Add new configure option, --with-bashcompletiondir
Update version
Update stb_image_write version to 0.94
Strip trailing spaces
Merge branch 'feature-bash-completion' into feature-zsh-completion
Add zsh completion file for img2sixel
Add a zsh completion file to install target
Add new configure option, --with-zshcompletiondir
Merge branch 'feature-zsh-completion' into completion
Minor fix
Minor fix
Rebuild configure script
Merge branch 'coverage' into travis