Added :url to project.clj
Merge branch 'release/0.3.1' into develop
Merge remote branch 'uvtc/patch-1' into develop
Fix a bug that would cause an infinite loop when parsing malformed set-delimiter tags. Now throws an exception on parse. Unit tests added.
Update find-containing-context to only call map/contains-named? on associative items, for Clojure 1.5. Fixes #11.
Add a line to the readme showing example code for setting a ttl cache with 0 ttl for development.
Update readme for 0.3.2.
Update project.clj for 0.3.2.
Merge branch 'release/0.3.2' into develop
Update version to 0.3.3-SNAPSHOT for further development.
Implement support for operation without core.cache.

- Check for presence of core.cache at runtime and use a stub object that prints errors if it's not present.
- Implement tests to ensure that errors are presented when the user is attempting to use the package without core.cache.
- Implement tests to ensure that you can "get by" using a map for a cache.
- Freshen some dependencies.
Update Readme with information about how to use Stencil without core.cache.
Update project version to 0.3.3 for release.
Update Readme for 0.3.3.
Merge branch 'release/0.3.3' into develop
Bump version for further development.
Ensure that keywords take precedence over strings,
even when the keyword has a nil value.