compression_wrapper: More nice error messages.
createrepo_c: Add temporary blocking of SIGINT to prevent race condition.
xml_parser: Report warnings via callback.
misc: Add cr_safe_string_chunk_insert_const.
xml_parser_filelists: refactoring.
xml_parser_internal: Add cr_xml_parser_strtoll.
xml_parser: Add other.xml parser.
xml_parser: Add primary.xml parser.
For SHA1 checksum use type string 'sha' instead of 'sha1'.
misc: Add cr_safe_string_chunk_insert_null
xml_parser: Primary parser add option for ignoring files.