Auto merge of #4559 - derekdreery:add_docs, r=alexcrichton
authorbors <bors@rust-lang.org>
Tue, 3 Oct 2017 09:18:58 +0000 (09:18 +0000)
committerbors <bors@rust-lang.org>
Tue, 3 Oct 2017 09:18:58 +0000 (09:18 +0000)
commit873a081019d8efb1906ae44c9afaffeec21f7db5
treefe3ce6e46a9a43269889da99d493a752dfee0a8b
parentd7e3b7f24265016c9ce4455504b914dc92c92b07
parente075822b47b9b390a90b0def781d5d88a4b10150
Auto merge of #4559 - derekdreery:add_docs, r=alexcrichton

Add some more docs

Add some more docs for various parts of cargo, and add/improve a few debug implementations.