commented some scheduler functions

module/sched.lua

@@ -19,17 +19,17 @@ end
 function os.kill(pid) -- removes process *pid* from the task list
  tTasks[pid] = nil
 end
-function os.pid()
+function os.pid() -- returns the current process' PID
  return cPid
 end
-function os.tasks()
+function os.tasks() -- returns a table of process IDs
  local rt = {}
  for k,v in pairs(tTasks) do
   rt[#rt+1] = k
  end
  return rt
 end
-function os.taskInfo(pid)
+function os.taskInfo(pid) -- returns info on process *pid* as a table with name and parent values
  pid = pid or os.pid()
  if not tTasks[pid] then return false end
  return {name=tTasks[pid].n,parent=tTasks[pid].P}