Add fs.split

src/stdlib/fs.coffee

@@ -77,6 +77,15 @@ module.exports =
   read: (path) ->
     $native.read(path)
 
+  # Returns an array of path components. If the path is absolute, the first
+  # component will be an indicator of the root of the file system; for file
+  # systems with drives (such as Windows), this is the drive identifier with a
+  # colon, like "c:"; on Unix, this is an empty string "". The intent is that
+  # calling "join.apply" with the result of "split" as arguments will
+  # reconstruct the path.
+  split: (path) ->
+    path.split("/")
+
   # Open, write, flush, and close a file, writing the given content.
   write: (path, content) ->
     $native.write(path, content)