NOT FINISHED!!! Current Progress on 1.13-pre7 update

This work is 100% unfinished. I am pushing it up so that we as a team
can work on this update.

Do not try to use this branch. You will fail.

Spigot-Server-Patches/Allow-for-toggling-of-spawn-chunks.patch

@@ -20,10 +20,10 @@ index 22c1113a1..0094d1a87 100644
 +    }
  }
 diff --git a/src/main/java/net/minecraft/server/World.java b/src/main/java/net/minecraft/server/World.java
-index d902e2630..759964b0f 100644
+index e6b916a5d..05d363171 100644
 --- a/src/main/java/net/minecraft/server/World.java
 +++ b/src/main/java/net/minecraft/server/World.java
-@@ -0,0 +0,0 @@ public abstract class World implements IBlockAccess {
+@@ -0,0 +0,0 @@ public abstract class World implements GeneratorAccess, IIBlockAccess, AutoClose
          this.getServer().addWorld(this.world);
          // CraftBukkit end
          timings = new co.aikar.timings.WorldTimingsHandler(this); // Paper - code below can generate new world and access timings