[PEPr] Changes in proposal for Encryption::Crypt_DiffieHellman

Pádraic Brady (http://pear.php.net/user/padraic) has edited the proposal for Encryption::Crypt_DiffieHellman. Change comment: Have updated proposed Crypt_HMAC2 package as follows: * Increased coverage of input/output modes to big integer string, binary and binary big-endian two's complement (btwoc). * Added ability to set or reset a specific Math library corresponding to the preferred math extension * Fixed some minor PEAR CS breaches * Updated phpdoc comments * API changed slightly for input/output flexibility * Non-getter methods return the object allowing fluid interfacing Please review the proposal: http://pear.php.net/pepr/pepr-proposal-show.php?id=496 -- Sent by PEPr, the automatic proposal system at http://pear.php.net