brename v2.4.0

Changelog

• supporting automatically mkdir. #5

    $ brename -f .txt -p '-' -r '/'
    [INFO] checking: [ ok ] 'a-b-c.txt' -> 'a/b/c.txt'
    [INFO] 1 path(s) to be renamed
    [INFO] renamed: 'a-b-c.txt' -> 'a/b/c.txt'
    [INFO] 1 path(s) renamed
  
    $ tree a
    a
    └── b
        └── c.txt