silence deprecation warnings on py3k: renamed "assertEquals" to "assertEqual"
Merge pull request #145 from amotl/py3k-misc

silence deprecation warnings on py3k: renamed "assertEquals" to "assertEqual"
Remove PasteScript from the Cornice template.

It is now deprecated and not needed in Pyramid projects.

Fix #146
Allow Colander schemas with sequence fields in querystring

This allows to use multiple query string fields with the same name by
using a Colander SequenceSchema.

See `tests/validationapp.py` for an example.
Fix py3k compatibility, improve style & comments.

See #141
Update the sphinx directive documentation.

Fix #127
Test that the email colander field works.

Related to #125
Enhance docs for class-level validators / filters.

Fix #143.
implement "415 Unsupported Media Type" (validate "Content-Type" request header) on top of Pyramid's predicate system