Country codes, states and provinces.
+ High-level container objects and dict/list helpers.
Date/time helpers. These currently format strings based on dates.
``webhelpers.tools.markdown()``. (If you use this library directly, you
may have to wrap the results in ``literal()`` to prevent double escaping.)
+ Miscellaneous helpers that are neither text, numeric, container, or date.
+ Numeric helpers and number formatters.
A tool for letting you view a large sequence a screenful at a time,
with previous/next links.