Work on multidict
more work on multidict
added getall to views
updated multidict tests
Fix error message
updated code according to fafhrd91's comments
Fix error message

Conflicts:
	aiohttp/multidict.py
Merge branch 'multidict' of https://github.com/mind1master/aiohttp into mind1master-multidict
Fix stable ordering for multidict iterations, add more tests
Merge branch 'mind1master-multidict'

Conflicts:
	aiohttp/multidict.py