Added rust.SendChatToUser()

Added the rust.SendChatToUser method. This does not do anything usefull
other than log the command!
Revert "Added rust.SendChatToUser()"

This reverts commit 87eda66d25915e684d4eecb76e168664f85edf88.
Added rust.SendChatToUser()

Added the method so that Ox(ide)2 knows about the method.
Updated README