colander schema's default value is now handled properly
Merge pull request #253 from joshuaimmanuel/handle_schema_default_value

handle default value in colander schema
Avoid TypeError

TypeError: decorator() takes exactly 2 arguments (3 given)
Merge pull request #255 from myroslav/patch-1

Avoid TypeError
Accept 'text/html' content_type, works around issue #252

ExtJS 3 refuses to parse a JSON response unless its content-type is set to 'text/html'. With this patch we avoid overriding the user choice: request.response.content_type = 'text/html'