Turns out importlib isn't part of python 2.6. I added a note to the README.
Pass in a database connection to {get_new,free}_network_id

This solves a problem where an ID could be allocated, and then the system
could crash before it was assigned to a network, causing an ID leak.  Now both
operations are in one transaction.
Document reason for previous change
Merge pull request #167 from gsilvis/driver-db-pass

Pass database connection to network id allocation/freeing
Merge pull request #168 from zenhack/centos-importlib-doc

Turns out importlib isn't part of python 2.6.
Merge pull request #169 from zenhack/available

Got rid of deprecated available bit on model.Node.
Correctly search for {h,}nics belonging to {head,}nodes
Check that arguments belong to same project

This is only relevant to the few calls that take two resources, such as
'node_attach_network'
s/deployed/dirty/ in project model
Implement dirty logic

All tests pass, but that is only because our test-suite doesn't exercise
anything that this change would affect.  That should be fixed.
Fix typo in dell unit tests

Two tests had the same name, making it so the first one was never run.
Create Dev Env Experiences.md

running into publickey issues trying to pull devel; just copy pasting the doc in by hand
Update Dev Env Experiences.md
Delete Dev Env Experiences.md
Fix erroneous example instructions in README.rst
Merge pull request #174 from gsilvis/update-readme

Fix erroneous example instructions in README.rst
Merge pull request #173 from gsilvis/fix-typo-dell

Fix typo in dell unit tests
Test dirty logic

Several tests fail---they are fixed in the two subsequent commits.
Raise exceptions in project_delete

... rather than returning them, which is wrong.
Change order of precondition-checks in node_detach_network

Specifically, test that the node is in a group before checking that it's
connected.  Logically, we should not check for networks connected to a node
that does not even belong to a project.  Secondly, when we start doing
authorization, we will need to check that the user is authorized to see the
project before potentially returning information about the node (namely, that
it is not attached to any networks.)