Quick fixes for windows compile errors
Merge pull request #333 from myshkin/restruct

Quick and dirty fix for pkg_win to exit with error when files are missing.
Slightly slower fix for windows
Object Flag Apocalypse
Cosmetic changes to mon-spell
Fix power calculations for elements
Remove obsolete OFT_s
Remove IDENT_SENSED_THIS_TURN
Remove IDENT_NOTART, object_is_not_known_consistently
Add some ID_ and ELEM_ constants
Move most instances of EASY_KNOW from object to object_base
Remove some unused ID functions, use some others where needed
Dumb memory leak fix
Proper fix to improve_attack_modifier
get rid of a lot of ugly stuff in wiz-stats retaining all old functionality

(cherry picked from commit d274100bf3afd5207b5bb67b83a3d036e34d96db)
improve stat label for readability

(cherry picked from commit 7a58354c851379716d623a4d62b05bb8b3c271a8)
fix up the first find section of wiz-stats

(cherry picked from commit 4ae839c1292167e72189e1b26378c406a20450b2)
Merge pull request #334 from fizzix/stats_merge

Stats merge
Remove IDENT_NAME, correct some id_flags behaviour
Redo wiz_display_item so it no longer crashes the game