Cleanup
Merge branch 'configure' into sandbox
Issue #2 Fix segmentation faults caused when
libcurl integration is enabled
Update manpage of img2sixel
Fix a GDK error caused by loading image from stdin
with gdk-pixbuf
Fix segmentation errors when loading stdin with gdk-pixbuf
Merge branch 'fix-loading-from-stdin-with-gdk-pixbuf' into issue-2
Merge branch 'fix-segfault-without-arguments' into issue-2
Merge branch 'issue-2' into configure
Drop unused gio-2.0 detection