minor typo fix in ChangeLog file
removed trailing semicolon from KEY value
[test suite] consolidated client/server interaction result variables into client_server_interaction()
[test suite] bug fix to properly extract 'KEY' variable for Rijndael key information
[test suite] updated non-based64 keys in non-base64 key files
[client] set HMAC mode whenever any HMAC option is given, add --key-hmac arg