Revision history for Perl extension String::CRC32C

	- only compile optimised implementation when sse 4.2 is actually
          enabled in the compiler.
        - added $String::CRC32C::IMPL.
        - misc prtability fixes in crc32 code.

0.01  Mon 24 Mar 2025 11:12:57 CET
	- cloned from Convert-Scalar, which is my module starter.