Merge branch 'main' of github.com:cacalabs/libcaca

Fill in the correct array (coverity)

release: libcaca 0.99.beta18

Fix ChangeLog, NEWS and win32/config.h for release 0.99.beta17.

Fix <cucul.h> installation again.

Fix documentation installation. This is the real 0.99.beta15 release.

Set version to 0.99.beta14.

Updated NEWS and ChangeLog.