Merge pull request #25 from cespare/go-get-fix

Fix go get instructions in the readme for the cli client.
Merge pull request #26 from cespare/go-fmt

Go fmt.
Merge pull request #27 from cespare/error-help-fix

Fix error help message.
Merge pull request #30 from cespare/fix-license-link

Fix bad link to LICENSE and remove unused link.
Merge pull request #28 from cespare/seed-rng

Seed the random number generator from the time initially.
Merge pull request #32 from cespare/rev-for-path

Update rev doc to indicate that it takes no arguments.