Fixed listing plugin

[gsh builtin scripts]
* BUG: List unable to list external gambas files correctly, wrong input used

[gsh]
* OPT: Combine both of the required components into the main install process
* BUG: Fix variaous bugs caused by moving shared mem and gb.scripter to builtin libraries

[General]

.hidden/subs/list

@@ -29,7 +29,7 @@ Private Sub doListing(Command As String)
         listprog = SharedMem[listpath]
       Endif
     Else
-      Try listprog = File.Load(expandfn(listpath))
+      Try listprog = File.Load(expandfn(command))
       If Error Then
         Error ("List: Unable to find ") & command
         Return