1.2.2
lib: fix coverity warnings
lib: sort backup by creation time
lib: allow logical operators in templates
lib: export function to remove authselect symbolic links
utils: correctly remove the whole line if `str` does not point to its beginning
util: add string_array_copy() to create copy of an array
lib: ensure that preambule timestamp is the same for all generated files
lib: fix usage of umask
lib: rename textfile_copy to file_copy
lib: put directory listing into its own utility module