Closes #1379, really this time. The old code would sandwich argv[1] between quotes and interpret it as a string, so backslashes in windows paths were interpreted as escape sequences.

[SVN r40535]

libs/python

@@ -1 +1 @@
-Subproject commit 77907c536901f74c16b2d51da02b238b0314844f
+Subproject commit cfe6f96f69d28a5117258543fad3192249fa7887