* Replaced fgl with heContnrs

* Fixed behavior of the undo packet list (fixes #88)

Server/cedserver.lpi

@@ -237,15 +237,13 @@
     <Linking>
       <Debugging>
         <DebugInfoType Value="dsDwarf2Set"/>
-        <UseHeaptrc Value="True"/>
       </Debugging>
     </Linking>
     <Other>
       <CompilerMessages>
         <UseMsgFile Value="True"/>
       </CompilerMessages>
-      <CustomOptions Value="-FE../bin/
--dNoLogging"/>
+      <CustomOptions Value="-FE../bin/"/>
       <CompilerPath Value="$(CompPath)"/>
     </Other>
   </CompilerOptions>

Server/cedserver.lpr

@@ -28,6 +28,7 @@ program cedserver;
 {$mode objfpc}{$H+}
 
 uses
+  {$IFNDEF NoLogging}heaptrc,{$ENDIF}
   {$IFDEF UNIX}{$IFDEF UseCThreads}
   cthreads,
   {$ENDIF}{$ENDIF}
@@ -36,6 +37,10 @@ uses
 {$R *.res}
 
 begin
+  {$IFNDEF NoLogging}
+  SetHeapTraceOutput('cedserver.trc');
+  {$ENDIF}
+
   Writeln('');
   Writeln('CentrED Server Version ', VersionInfo.GetProductVersionString);
   Writeln(VersionInfo.GetCopyright(True));