Some structure adjustments.
More exact dependencies and license.
Added possibility to use also own colander schemas to define the settings.
Remove test configuration.
Fix default usage for dict mode.
Added some documentation.
Use a schema_factory instead of a schema.
Cleanup test structure a little bit.
pep8
Added testing of changing values in the browser tests.
Tests are working again. Adjust Form class to get the settings object instead of the setting objects list.