Fix future id collisions between c<->s

(cause of occasional hangs on disconnection)
Add packet trace logging

fabric/build.gradle

@@ -4,7 +4,10 @@ plugins {
 
 loom {
     accessWidenerPath = project(":common").file("src/main/resources/${accessWidenerVersion}.distanthorizons.accesswidener")
-
+    
+    // Custom logging
+    //log4jConfigs.from(file("log4j-dev.xml"))
+    
     // "runs" isn't required, but when we do need it then it can be useful
     runs {
         client {

fabric/log4j-dev.xml

@@ -0,0 +1,11 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<Configuration name="Dev" monitorInterval="10">
+    <Loggers>
+        <Logger name="com.seibel.distanthorizons.core.network" level="trace" additivity="false">
+            <AppenderRef ref="DebugFile" level="${sys:fabric.log.debug.level:-debug}" />
+            <AppenderRef ref="SysOut" />
+            <AppenderRef ref="LatestFile" level="${sys:fabric.log.level:-info}" />
+            <AppenderRef ref="ServerGuiConsole" />
+        </Logger>
+    </Loggers>
+</Configuration>