Bug fix release v2.13 revision3

[Admins]

A new Graal version has been released,
many bugs have been fixed. Start the setup
program again to get the new exe.

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New features/bug fixes in v2.13 revision3
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- the script command destroy works again
- fixed compatibility with Win95/98
- the setstring command sends the new string variable
correctly to the server
- the script variable graalversion is now 2.13
(instead of 2.1)
- in the offline mode the player is on the normal
layer like it is supposed to, so he is not drawn
on top of objects anymore and arrow and projectiles
work again
- the not recommended script command playersays() works
again (the script is called when the player says something);
but better use if (playerchats && strequals(#c,...))
- several fixes of the editor mode: caching of levels in
the memory, position of the player when clicking on 'play',
dragging baddies,npcs and chests onto a level works like in
old days (you can release the mouse button and then move the
object if you don't want to keep it pressed)
- fixed memory leaks
- npc actions are deleted when leaving a level (so
when using setlevel/setlevel2 then it is not producing
an endless loop)
- emoticons are not hiding weapon showimgs anymore,
emoticons have the index 0 (so don't use index 0 for
showimg if you don't want it to be hidden when an emoticon
is displayed)
- npcservers can now attach players to local npcs (was producing
warping errors before)
- detection for players that are in 'hidden under carried object' mode
but don't carry anything
- optimized loading and 'playerenters' for npcs on graal2002 maps