Add assert_true, assert_false proxies
Merge pull request #314 from passy/assert-helpers

Add assert_true, assert_false proxies
move _unicodify_value out of Headers class
Merge pull request #315 from puzzlet/sprint/datastructures

Fix NameError in datastructures.py
Merge pull request #316 from mgax/extract-unicodify

move _unicodify_value out of Headers class
Remove unused imports
Correct the order of arguments
stream_encode_multipart handles bytes/str correctly
py3 tries to call _TestCookieHeaders.get_all, add it
EnvironBuilder accepts unicode data
Merge pull request #317 from interru/fix-syntax

Fix: Correct the order of arguments
func_code/__closure__ fix
EnvironHeaders works with unicode values
Merge pull request #319 from mgax/unicode-environ-headers

EnvironHeaders returns unicode values
Python bytes/unicode fixes in response/exceptions
Revert "EnvironHeaders works with unicode values"

This reverts commit 502b780dedd81f337c900f40b4f7fc6204af8322.
Improve elif/else usage in iter_encoded
Remove unused import
Merge pull request #320 from ThiefMaster/py3-bytes-fixes

Python bytes/unicode fixes in response/exceptions
Fix utils test suite errors