[path-PEP] Path inherits from basestring again

[Andrew Dalke]

> Reinhold Birkenfeld wrote:
>> Current change:
>> 
>> * Add base() method for converting to str/unicode.

Now that [:] slicing works, and returns a string,
another way to convert from path.Path to str/unicode
is path[:]

				Andrew
				dalke at dalkescientific.com