initial commit
it is now possible to change the effective and real user and group id
the server can now daemonize
added chroot-jail capability
it is now possible to use serverChangeUser() and serverJail() at the same time with serverChangeUserAndJail()
renamed serverAddServerSocket() to serverOpenSocket()
the current working directory can now be changed with serverChangeDir()
changed the comment on serverChangeUser()
added the serverIsPrivileged() function
it is now possible to control the server with the return value of the callback
changed the restart behaviour. a restart does not call _prepare() and _shutdown() anymore.
implemented a logging mechanism. removed error() and replaced it with logWrite().
changed the license header in all core files
added the LICENSE and README.md file.
minor changes in the comments, created function _reuseAddr()
minor changes in the readme