Update tokencomparison.py

Fix Zero Division Error as described in #39 and #42

Author: chris1610

fuzzymatcher/tokencomparison.py

@@ -41,7 +41,7 @@ def is_mispelling(self, token1, token2):
             if max(t1f, t2f)/min(t1f, t2f) < self.number_fuzz_threshold:
                 return True
 
-        except ValueError:
+        except (ValueError, ZeroDivisionError):
             pass