ops2pm.pl: Test Suite

• Test suite written:

    t/tools/ops2pmutils/00-qualify.t            06-load_op_map_files.t
                        01-ops2pmutils.t        07-no_ops_skip.t
                        02-usage.t              08-sort_ops.t
                        03-new.t                09-prepare_real_ops.t
                        04-prepare_ops.t        10-print_module.t
                        05-renum_op_map_file.t  11-print_h.t

• High test coverage