This makes SSL connections via proxies work correctly.
Merge pull request #159 from chrchr/proxy_with_ssl

This makes SSL connections via proxies work correctly.
Fix Authorization headers info in README.

Related to #162
Thanks to @epitron
Raise error on unexpected EOF.

Fixes infinite read() loop in the case where the server closes the
connection without sending a valid HTTP response.
Normalize URI path
Refactor support/example_server
Fix handling of EOF in Client#readpartial
Merge pull request #166 from tarcieri/fix/eof-handling

Fix/eof handling
Update changelog
Update changelog with v0.6.3
Update CHANGES.md