Added a guard to the transaction broadcaster which will reject any incoming transaction request which wants to spend the same input as an already queued transaction
Add a warning message encouraging users not to spend out of their bitcoin wallet while a registration is pending
Worked on version of browser which will not depend on a local core endpoint (instead using core.blockstack.org by default), and enables bitcoin operations and registration on Windows, web.
Upgrade test framework to configure the RESTful API
Work on node.js CLI wrapper for blockstack.js so I can incorporate it into the test framework and patch it to support the STACKs transaction wire formats