BYOC for GZDOOM v1.5.1

BYOC GZDoom v1.5.1   

First batch of fixes.

Critical Bug fixes

• Many summons now properly disappear after some time like in Zandronum
• Trollface's Niko plush no longer crashes the game when midair for 2 seconds
  
• Megaman Sprite B-Ball pasta is now grabbable for 25HP like in Zandronum
• Morshu no longer crashes the game when leveling up with his Mace up
• Killer46 super nensho no longer crashes the game when losing it
• Gumboald rage no longer crashes the game when activating it
• Marco's Metal slug no longer crashes the game when exiting it 

Compatibility fixes

• Chex Quest wad gameplay compatibility added
• Now compatible with older GZDoom versions

General fixes

• Jetpack niko no longer keeps flight when ending a map 
• Quote debug message removed
• Gun Garth debug message removed 
• Self damage no longer causes hit sound to play