vagrant work.

bump version

kazoo version range.

we don't want unbounded version numbers.

Merge pull request #17 from disqus/kazooversionfix

Kazoo version bump

Merge pull request #15 from disqus/reestablish

Use DataWatch to survive session expirations.

raise excplicit error when referencing non-existant environmenmt.

bump kazoo to 0.5

peg to kazoo 0.3

additional test for default values.