Improved sprite system, added MEHs first program setting into Pokeroms.ini

Signed-off-by: interdpth <interdpth@gmail.com>
Merge remote-tracking branch 'upstream/master'
Turned sprites off by default, added a currently non-working menu item and other chages. :D

Signed-off-by: interdpth <interdpth@gmail.com>
Fixed a crash.

Signed-off-by: interdpth <interdpth@gmail.com>
Merge pull request #15 from interdpth/master

Improved Sprite System