Implemented the concept of a projectile.

src/main/java/org/bukkit/craftbukkit/entity/CraftEgg.java

@@ -1,13 +1,14 @@
 package org.bukkit.craftbukkit.entity;
 
 import net.minecraft.server.EntityEgg;
+import net.minecraft.server.EntityLiving;
+
 import org.bukkit.craftbukkit.CraftServer;
 import org.bukkit.entity.Egg;
+import org.bukkit.entity.LivingEntity;
 
 /**
  * An egg.
- *
- * @author sk89q
  */
 public class CraftEgg extends CraftEntity implements Egg {
     public CraftEgg(CraftServer server, EntityEgg entity) {
@@ -18,4 +19,19 @@ public class CraftEgg extends CraftEntity implements Egg {
     public String toString() {
         return "CraftEgg";
     }
+
+    public LivingEntity getShooter() {
+        if (((EntityEgg) getHandle()).thrower != null) {
+            return (LivingEntity) ((EntityEgg) getHandle()).thrower.getBukkitEntity();
+        }
+
+        return null;
+
+    }
+
+    public void setShooter(LivingEntity shooter) {
+        if (shooter instanceof CraftLivingEntity) {
+            ((EntityEgg) getHandle()).thrower = (EntityLiving) ((CraftLivingEntity) shooter).entity;
+        }
+    }
 }