Issue #126: Add `target` keyword argument to urlize.
Issue #71: Add `followlinks` parameter to FileSystemLoader.
Issue #121: The truncate filter now counts the length
of the *end* parameter when truncating a string.

This is the same behavior as Django's truncate filter:

https://docs.djangoproject.com/en/1.4/ref/templates/builtins/#truncatechars
Add equalto test as value-level analogue of reference-level sameas test.
Define tests for equalto.
Added changelog entry
Merge branch 'pr/266'
Added and corrected changelog entry
Merge branch 'pr/267'
Added changelog entry for truncate filter
Merge branch 'pr/283'
Added a changelog entry for the equalto filter
Added a note on why equalto exists.