Merge pull request #6 from ceejbot/master

Fix two minor problems found during bring up
zag: v0.0.2
agent: Pool#close
agent: v0.0.1
fix zag-web month keybinding
zag: v0.0.3
daemon docs
backend-pg: fix #8 and #9, json -> text
zag-backend-pg: v0.0.1
HTTP API docs
API doc fixes