updated requirements and upped version number to 0.9

upped revision number and updated changelog

Merge branch 'master' of ssh://ish@ish.io/home/ish/formish

Conflicts:
	setup.py

prepared release for SequenceOfSequence work

changed behaviour of enctype so multi-part is only used when form con…

…tains file-uploads

updated changelog for release

updated changelog for release

request data was not being applied as a dotted dict so deep sequences…

… were not working

preparation for release including checking documentation

added errors attribute for collection and field classes to allow acce…

…ss to all errors with exceptions and validators rather than just the error string