Fix deprecation warnings when running the specs on RSpec 3
Fix running on ruby 1.8.7
Allow monitoring of directories, so that new files can be picked up, and deleted files removed

This should make it possible to add new files to a running application,
and have them automatically be picked up.  Previously you couldn't do
this, so you would have to restart your application if you added files.

Bump version to 1.1.0.