Reverse paths before renaming, let children of renamed dirs go first.

This way, the parent directory is always after all of its children.

brename.py

@@ -57,6 +57,7 @@ def brename(transformation, autoyes=False, recurse=False):
         print('Is this correct? y/n')
         ok = input('>').lower() in ('y', 'yes', 'yeehaw')
 
+    pairs = reversed(pairs)
     if ok:
         loop(pairs, dry=False)