Added an ACLDatagramSocket. Operation is much the same as the ACLServerSocket. Also tweaked the toString() to keep the i-scream bits as well as the more useful stuff.
Fully commented, and further testing in the Socket environment. Probably ready to integrate into the main source tree under the server util package.
Initial checkin of ACL code for i-scream server. At present it should allow for ServerSocket's to be wrapped up with an access control list. Very simple to use, will javadoc sometime soon. Essentially construct a ACLServerSocket instead of a ServerSocket, then set an ACL (defaults to open ACL). Then it can be used as a ServerSocket due to inheritance, and will only return from the allow() method if the connecting Socket is permitted by the ACL.
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