klomp-lib: explicitly verify correct lib length, and allow comments to start after whitespace
klomp-lib: dont allow malformed lib file
klomp-lib: ignore empty lines
klomp-lib: add properties to klomp-lib
klomp-lib: add -p option to print properties
klomp-update: update a dir with symlinks to all files of all libs, if symlink=dir is set in klomplib