Added clj-time as a dependency
Date is a valid type in dataset definitions
Date-based queries can be parsed and run

* Not entirely happy with this. Uses a DateTime, which displays strangely.
Merge branch 'master' into dates
merge from master
Fix syntax from merge conflict
Merge pull request #40 from cndreisbach/dates

Added dates to data types Qu can handle
Add instruction for auto-reloading templates such as mustache slices to README
Merge pull request #41 from marcesher/master

Update README with instructions to reload templates during development