What changed in EDuke32, build by build

fix use of uninitialized values

add wall point delete hotkey. Press shift+delete or the d key in 2d mode to delete a wall point without dragging it.

stop playing sounds when entering the tile selector in 3d mode

second attempt at preventing extra wall points from being inserted on some walls with the batch point insert tool

in tile selector, make backspace set palette to 0

use object's current palette on tile selection screen and allow cycling object palettes from tile selection screen with - and =

use sc_XXX defines from scancodes.h instead of unlabeled hex scancodes when checking keystatus[]

support sprite blending mode and statnum in clipboard.

block ctrl-x and ctrl-shift-x from working if you have unsaved changes

add home/end modifier keys to 3d mode slope keys ([ and ]), plus a third increment modifier (home and end at the same time)

fix 2d3d mode input issue when sector is -1

re-enable changing position in 2d mode with the right mouse button when dragging selected objects

fix frame locking issue with 2d3d mode, crash when toggling bottom texture swap, issues with drawing certain types of walls.

fix display of pal 4 sprites in 2d mode.

fix 3d mode status messages being overwritten with position/ang/horiz readouts.

fix unreadable status messages in 3d mode when working with a palette that doesn't align to Duke3d's color layout.

change default 2d3d position to upper right corner, remove debug printf I accidentally committed.

don't warn about the map being corrupt if the only thing wrong with it is a sector ceilingheinum or floorheinum set without the corresponding bits to enable sloping set. DONT_BUILD.

further 2d mode performance improvements. Sprites are also now displayed with their xrepeat and yrepeat taken into account. It's not perfect yet... needs more "jiggery-pokery"

2d mode performance improvements

improve 2d mode sprite label display. I want to test this further, so this is marked as DONT_BUILD.

fix 3d picture-in-picture when editing a map with TROR.

improve diagnostic message.