Added css and id as new attributes of the form. Added further checks for the new attributes.
Basically added a helper dict _id2name which maps ids from the configuration
file to fieldnames. Further changes logic how the fields in the form are
initilized.
Added new testcase to get a specific field from the form
Added mako as requirement.
Implemented basic renderer which renders a form.
Load XML configuration from XML file instead of predefining it in the testcase
Added example dir
Added Pyramid as optional package. Needed to be able to start the example
server.
Added class for the button pane
Changed form layout and added fixed and enhanced tests.
Changed rendering of the form. Added support for required field flag, help and
errors.
Added example application