added a more lightweight remote execution module

modules/applications/rexec.lua

@@ -0,0 +1,14 @@
+reP,tREs=4,{}
+s("rexec",function()
+ while true do
+  if ev[1] == "net_msg" then
+   local V=false
+   for k,v in ipairs(tREs) do if ev[2] == v then V=true end end
+   if ev[3] == reP and V then
+    ns(ev[2],ev[3],pcall(load(msg)))
+   end
+  end
+  C.yield()
+ end
+end)
+