Fix UnicodeEncodeError with non-ASCII paths, fixes #18

Author: stefankoegl

jsonpointer.py

@@ -49,6 +49,7 @@
 try:
     from urllib import unquote
     from itertools import izip
+    str = unicode
 except ImportError: # Python 3
     from urllib.parse import unquote
     izip = zip

tests.py

@@ -61,6 +61,7 @@ def test_round_trip(self):
             "/k\"l",
             "/ ",
             "/m~0n",
+            u'/\xee',
         ]
         for path in paths:
             ptr = JsonPointer(path)