ops2c.pl: Testing

• Write test suite

        t/tools/ops2cutils/01-new.t
                           02-usage.t
                           03-print_c_header_file.t
                           04-print_c_source_top.t
                           05-print_c_source_bottom.t
                           06-dynamic.t
                           07-make_incdir.t
                           08-nolines.t
                           09-dynamic_nolines.t

• Again, high test coverage