Add a recursive function to the glob package

[storchaka]

http://bugs.python.org/review/13968/diff/4744/Doc/library/glob.rst
File Doc/library/glob.rst (right):

http://bugs.python.org/review/13968/diff/4744/Doc/library/glob.rst#newcode29
Doc/library/glob.rst:29: ``**`` can be used to denote a recursive walk of a
directory tree. Broken
Example needed (like :file:`Src/**/*.py`).

http://bugs.python.org/review/13968/diff/4744/Doc/library/glob.rst#newcode55
Doc/library/glob.rst:55: 
Recursive example needed (started with '**/' or './**/').

http://bugs.python.org/review/13968/diff/4744/Lib/glob.py
File Lib/glob.py (left):

http://bugs.python.org/review/13968/diff/4744/Lib/glob.py#oldcode44
Lib/glob.py:44: # These 2 helper functions non-recursively glob inside a literal
directory.
Why are you removed this comment?

http://bugs.python.org/review/13968/diff/4744/Lib/glob.py
File Lib/glob.py (right):

http://bugs.python.org/review/13968/diff/4744/Lib/glob.py#newcode14
Lib/glob.py:14: 
The pattern may also contain '**' to denote a recursion root.

http://bugs.python.org/review/13968/diff/4744/Lib/glob.py#newcode30
Lib/glob.py:30: recurse_root, pattern = pathname.split('**', 1)
What if ** happened inside a component name? I.e. 'a**b'.

http://bugs.python.org/review/13968/diff/4744/Lib/glob.py#newcode41
Lib/glob.py:41: pattern = '*' + pattern.lstrip('/')
This can be moved outside a loop.

http://bugs.python.org/review/13968/diff/4744/Lib/glob.py#newcode79
Lib/glob.py:79: fullpath = os.path.normpath(os.path.join(root, fname))
os.path.normpath('///etc') is '/etc', but glob.glob('///etc/*/') preserves
initial slashes.  Therefore pattern can contains multiple slashes, but fullpath
does not.

[eric.araujo]

http://bugs.python.org/review/13968/diff/4744/Doc/library/glob.rst
File Doc/library/glob.rst (right):

http://bugs.python.org/review/13968/diff/4744/Doc/library/glob.rst#newcode29
Doc/library/glob.rst:29: ``**`` can be used to denote a recursive walk of a
directory tree. Broken
I agree, given that there are differeent styles of recursive globing (**/*.py vs
**.py)