fixed `ZeroDivisionError: division by zero` in tags_cloud.html
support unicode character in tags.
Merge pull request #37 from ikeikeikeike/unicord_in_tags

support unicode character in tags.
Merge pull request #36 from ikeikeikeike/fix_tags_cloud

fixed `ZeroDivisionError: division by zero` in tags_cloud.html
Update CONTRIBUTORS
In --filename mode use sys.stdout.

This allows us to capture the output of tinker --draft using backticks.
For example:

    vim $(tinker --draft "Straight to Vim" --filename)

will now work.
Merge pull request #41 from sgillies/master

In --filename mode use sys.stdout.
1.3 release