- Testcase
- Allow callable classes to have contextfunction and the like
Fix vim syntax: Correctly highlight filters.

`skipwhite` makes only sense in combination with `nextgroup`.
Now filters are correctly highlighted independent of spaces after the
'|'.
Fixed improperly closed tag in menu example in tricks.rst
Merge pull request #207 from ekalinin/patch-1

Fixed improperly closed tag in menu example in tricks.rst
Remove unused imports
Merge pull request #215 from DasIch/remove-unused-imports

Remove unused imports
Merge pull request #200 from Naddiseo/callable_class_contextfunction

Callable class contextfunction, closes #180
Cleanup and changelog entry for new contextfunction behavior
Merge branch 'master' into sprint-branch
Merge pull request #202 from Necoro/master

Fix vim syntax: filters
Merge branch 'master' into sprint-branch
BytesIO from six.
Python 2.6+ supports conditional expressions.