Please add recursive mode to "wcmatch.glob"

Given this directory structure ... ``` $ find bla -type f -print bla/4.txt bla/1/a.txt bla/1/2/3/c.txt bla/1/2/b.txt ``` ... I can get the default Python `glob` module to find all `*.txt` files by using recursive mode: ``` $ python3 -c "import glob; print(list(glob.glob('bla/**/*.txt')))" ['bla/1/a.txt'] $ python3 -c "import glob; print(list(glob.glob('bla/**/*.txt', recursive=True)))" ['bla/4.txt', 'bla/1/a.txt', 'bla/1/2/b.txt', 'bla/1/2/3/c.txt'] ``` Unfortunately `glob.glob` can only be used on an actual directory and not on in-memory data. It would therefore be very useful if `wcmatch.glob` would also provide a recursive mode.