T-Engine4 / ToME4 beta26b aka "Nature's Grace" unleashed!

[darkgod]

As promised here comes T-Engine4 and ToME4 beta26b ! See http://te4.org/

Don't forget to help ToME by with donations( http://te4.org/donate ) !

Release highlights:
Important bugfix when going into the sandworm lair using shockbolt tiles
Savefiles from beta26 are compatible

Expanded changelist:?
Fix a bug in the sandworm lair when using shockbolt tiles
Added some missing tiles to objects
Fix tactical AI trying to shoot through walls

Have fun!

PS: svn 3407