[perl FKO module] add hmac_type to fko_new_with_data() calls
fix fko_new_with_data() call to include the hmac type
added MAX_B64_KEY_LEN for full length SHA512 keys
minor fix to remove extraneous memset() call
update base64 key char arrays to use MAX_B64_KEY_LEN macro
--key-gen bug fix to allow --key-len and --hmac-key-len values to apply to generated key lengths
convert standard hmac access.conf file for HMAC SHA512 to use key size of 128 bytes