Merge pull request #52 from mind1master/master

Simple HTTP proxy support
prepare release
Fix docs generation
Fix docs version, reflow api doc page
Add ./build into git ignore list
Fix #57: Get rid of timeout parameter in aiohttp.client API
Add missing note in CHANGES.txt
Add multidict module
exception refactoring #22
multidict pep8 and tests
Include the port number in the host header.
Merge pull request #64 from CactusCommander/hostport

Include the port number in the host header.
Fix README
Merge branch 'master' of github.com:KeepSafe/aiohttp
Allow to use custom response class instead of HttpResponse
Merge pull request #66 from kxepal/allow-custom-response-class

Allow to use custom response class instead of HttpResponse
Add Alexander Shorin to contributors list, update README and CHANGES
Add assertion for value in HttpMessage.add_header method, strip leading/trailing whitespaces in the value
Add tests for nonascii headers
Reflow code