* fixed semantics. Earlier mentioned that 'Pystachio does yet support...'. Changed now to mention 'Pystachio does not yet support...'
* fixed grammatical mistake.
* Ran gofmt on project.
Added new monitors for watching number of instances get to a certain count using polling.
Added new commands to sample client which give some statistics.
Added the ability to kill and restart specific instances.
Fixed incorrect documentation on using-the-sample-client.
Added helper functions under the response package to extract fields from
aurora.Response.