cleaned up sinit a bit. Still sucks.

modules/util/sinit.lua

@@ -2,19 +2,12 @@ s("init",function()
  local f=fopen("boot:/init.cfg","rb")
  write("")
  if f then
-  local c=""
-  local nc=fread(f,2048)
-  while nc ~= nil and nc ~= "" do
-   c=c..nc
-   nc=fread(f,2048)
-  end
+  c=freadall(f)
   for l in c:gmatch("[^\n]+") do
    write("[init] "..l..": ")
    local pf=fload(l)
    print(pcall(pf))
+   C.yield()
   end
  end
- if _OSVERSION and _BD then
-  print("Started ".._OSVERSION.." (built at ".._BD..")")
- end
-end,{["sI"]=1})
+end)