Minor patch - str.lstrip() in place of loops

[Neil Shepperd]

Hi,

Looking through the code, I found some loops such as:

while filepath.startswith("/"):
        filepath = filepath[1:]
    return filepath

The obvious thing to do was to submit a patch replacing such things
with 'return filepath.lstrip("/")'. I personally think it improves
readability, and I'm sure the versions of that lack lstrip() are no
longer intended to be supported by smart.
I hope this is appropriate to the list.

Neil Shepperd
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