Default to a random available port. Fixes #20.
Don't include fear-related default ge opts as they break other GEs. Closes 19
Generate random port in Server, which can store it (and add test)
Use Marshall v2 for Python 2.7/3.3 compat, closes #18
Add ssh_keyfile option. Closes #17
Require HTTP Basic Auth for requests, closes #16
Release 0.1.10