Fix for -e strings not getting executed because Files.walk didn't

respect spoofing.

files.lua

@@ -177,7 +177,7 @@ Files.walk = function(path, flush_cache)
     _BROWSE_CACHE = { }
   end
   local files
-  if path == 'stdin' then
+  if path == 'stdin' or _SPOOFED_FILES[path] then
     files = {
       path
     }

files.moon

@@ -103,7 +103,7 @@ Files.walk = (path, flush_cache=false)->
         export _BROWSE_CACHE
         _BROWSE_CACHE = {}
     local files
-    if path == 'stdin'
+    if path == 'stdin' or _SPOOFED_FILES[path]
         files = {path}
     else
         for nomsupath in package.nomsupath\gmatch("[^;]+")