BUG FIXES:
* Fixed a segfault in _sc_spill_fill, when no walls were selected and
napalm detonated off-screen. Parts of the spill code were not using
proper VCS.
* Fixed up a quick hack for the ``useless items'' bug.
(Turning display of such items off was causing a lockup.)
* Fixed some of the long standing roller bugs.
* Fixed another roller bug (lockup on direct tank impact).
* argument misordering in memcpy() in snetconnect.c
* Fixed order for winners/losers first
* Call order breakage in sending auto defense shield orders.
* Wrong scaling was used in reducing power when life lost.
* Return Leap Frogs to reasonable y values before creating children.
* Fixed the funky tank placement where some got platforms and some not.
(sc_land_avg_height_around() didn't always get it right)
* Fixed potential infinite loop in MORON AI
(thanks to Mark Anderson for spotting)
* Fixed minor error in console driver; it allowed nonprintable chars
* Fixed the buggy allowreturn logic in sactiveconsole.c
* Fixed a bug that allowed user to issue commands to AI if the AI
spent awhile thinking (this was one heck of a ``feature'' :)
Various other changes listed in ChangeLog
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