Only invoke decoder if decode_content parameter is True. Resolve shazow/urllib#209 .
introduce Url.netloc (see #217)
remove superfluous code
Merge pull request #218 from t-8ch/url_netloc

Url netloc
Added units to the doc for timeout

timeout is specified in seconds, but in the doc, it was unclear.
Merge pull request #219 from nipunn1313/master

Added units to the doc for timeout
Correctly set Host header when using a proxy

Fixed a bug in _set_proxy_headers that ignores the port when setting the
'Host' HTTP header while a proxy is used.
Merge pull request #217 from gavrie/master

Correctly set Host header when using a proxy
Added #217 to CHANGES
Styling.
Merge pull request #211 from Tengah/master

Only invoke decoder if decode_content parameter is True. Resolve shazow/...
At least, HTTP(S) proxy support works now...
Fixed proxy test
Inplemented CB's suggestions regarding code clarity. Fixed proxied Host: header issue.
Fixed proxymanager headers logic
Added proxymanager tests with tornado-based proxy
Fixed self.headers involuntary change
Improved readability a bit
Created dummyserver tests for ProxyManager
Added docs