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/Optimize-Pathfinding.patch

@@ -7,7 +7,7 @@ Prevents pathfinding from spamming failures for things such as
 arrow attacks.
 
 diff --git a/src/main/java/net/minecraft/server/NavigationAbstract.java b/src/main/java/net/minecraft/server/NavigationAbstract.java
-index bfc5769f7..cc44d30b5 100644
+index 9337b9397..1964684ac 100644
 --- a/src/main/java/net/minecraft/server/NavigationAbstract.java
 +++ b/src/main/java/net/minecraft/server/NavigationAbstract.java
 @@ -0,0 +0,0 @@ public abstract class NavigationAbstract {
@@ -41,7 +41,7 @@ index bfc5769f7..cc44d30b5 100644
 @@ -0,0 +0,0 @@ public abstract class NavigationAbstract {
      }
  
-     public void p() {
+     public void r() {
 +        this.pathfindFailures = 0; this.lastFailure = 0; // Paper - Pathfinding optimizations
          this.c = null;
      }