CRC-PHP 2.3

Maintenance release.

CRC-PHP 2.2

Added 64-bit integer checks to CRC-32/64 methods.

CRC-PHP 2.1

Use Exception classes from Standard PHP Library.

CRC-PHP 2.0

New in this release:

• Added CRC-64 implementations.
• Improved bit reflection technique.
• Split test methods by algorithm.

CRC-PHP 1.0

Initial release.