Decrease dial time for upstream hosts and close connections earlier

Changelog for 0.0.2:

Commits
3bbd128 Add a shorter timeout and close connections earlier by @alexellis
7ff9d48 Update README.md by @alexellis
a34ae9e Update README.md by @alexellis
3d25c13 Update intro by @alexellis
342ab81 Update README.md by @alexellis
de6f937 Update README.md by @alexellis
ec1475b Update README.md by @alexellis
61a03c3 Update README.md by @alexellis

Changes: 0.0.1...0.0.2

Generated by Derek