Okey, Ive got pull request but I cant insert last pieces, patches dont generate.
I made folder src_work, put the World.java (What I edited), ChunkCache.java (What I edited also) into it.
Recompiled.
Used update_patches.py.
AND:
Note:
I had used before editing setup.bat.
Pull request:
https://github.com/MinecraftForge/MinecraftForge/pull/97