-void pointer is now compatible with any other pointer type
-strings can now be directly compared using '==' and '!=' operators
-added a linguistic chat message parser with some generic messages predefined - to be used for Human<->AI and AI<->AI communication
Note: chat_lexer.l should be compiled using an additional -i switch for case-insensitive lexer
git-svn-id: svn+ssh://svn.gna.org/svn/warzone/trunk@898 4a71c877-e1ca-e34f-864e-861f7616d084