VSMAPED: Regenerate lost or corrupted mapheadfile if the maps have intact !ID! tags.

VSMAPED: Fixed typed text searching and false search markings in the level picture when a wall ID is equal to an object ID+256.
VSMAPED: Now handles all entries in word format (1-FFFF hex).
VSMAPED: Program window is now more stable after running a mod.
VSMAPED: You can now move the 3D-viewpoint while searching.