Add version headers to submap buffer and overmaps. Bump version to 5 for 0.8
Adv inv: restore message display
Fix folding of robotfindskitten blurb
FIx prior fix
Crates can now be destroyed without requiring a sledgehammer.
Fix prior fix
Added missing exclamation point to crate-smashing sound.
Fold even non kitten things
Merge smashable crates, savegame version labels, kitten folding, and advanced inventory message.