This uses a local proxy to communicate over Tor. Code is from the
writeas-cli.

removed unreachable code

use correct verb for error formatting

This closes #3

writeas.github.io/docs -> developer.write.as/docs/api

Previously, PostParams wasn't properly initialized.

Plus break up internal request building so we can optionally send query
parameters with some requests (like DELETEs!)

Plus change Post's ModifyToken to Token.

Plus fix Client post func and rename SubmittedPost to PostParams.

Includes ability to make authenticated requests and get posts.

Backend now uses a cipher suite that Go supports.