Purpose
Levenshtein edit-distance between two strings.
Syntax
returnedNum = levenshtein(string1, string2)
returnedNum - type: num
string1 - type: str
string2 - type: str
Returns
Edit distance.
Remarks
Does not allow an empty string.
Example
L("distance") = levenshtein("hello","hell");
# This should evaluate to 1.