Add basic HTTP caching support (fixes #21)

 * Add 'Cache-Control' and 'Expires' header output when the 'cache'
   method on the Response object is used.
Merge pull request #22 from vlucas/caching

Add basic HTTP caching support (fixes #21)
Initial release supporting HTTP caching
Add domain route (closes #23)
Add 'resource' alias for 'path' (closes #24)
Ensure response body is empty on special statuses
Proper handling for HEAD requests (closes #25)
Test to ensure HEAD handlers take presidence
Version 1.3.1 release
Fixed test to pass with PHP 5.3 (ugh)
Issue #20 Handle JSON requests with spaces and dots
Merge pull request #20 from jacobwalker0814/spaces_and_dots

Handle JSON requests with spaces and dots
Update Request.php

Changed the way the bots are stored and added more
Merge pull request #27 from sam2332/master

Update Request.php
Handle bad JSON data - fixes #28
Version 1.3.2 Release
Testing HHVM with Travis-CI
HHVM Does not support Closure::bindTo
Skip test for run on HHVM
Ensure templates do not double-render (fixes #35)