pipacs/o2 — pull request #23 by ncux (2014-07-13 15:32:45+00:00)
Title: Create PLAINTEXT authorization support. FreshBooks service support.

Implement as described at http://oauth.net/core/1.0a/#anchor21
FreshBooks service use this type of authentication so I provide o1freshbooks.h. I can provide working example also if you need it.