Casting dbapi limit query_param to int

Since query params are provided by django as a String, all
limits were failing the comparison against the HARD_LIMIT
and thus a limit of 1 was getting turned into the HARD_LIMIT.
Logger name should be the module name
Merge branch 'master' of git://github.com/rackerlabs/stacktach
Merge pull request #156 from ramielrowe/master

Fixing a couple bugs
Adding support for venv test running.
Merge pull request #162 from ramielrowe/master

Adding support for venv test running.
Merge branch 'master' of git://github.com/rackerlabs/stacktach
Moving test log location to /tmp
Merge pull request #163 from ramielrowe/master

Moving test log location to /tmp
Fixing stacklog tests
Merge pull request #164 from ramielrowe/master

Fixing stacklog tests
Fixing tests to work with python 2.6
Fixing test_stacklog for python 2.6
Merge pull request #165 from ramielrowe/master

Fixing tests for 2.6
More efficient old launches query
Merge pull request #167 from ramielrowe/master

More efficient old launches query
Safely handling error notifications from glance
Merge pull request #168 from ramielrowe/master

Safely handling error notifications from glance
Merge remote-tracking branch 'upstream/master'