updated Rakefile to include a test task
added minitest dependency to match dali test dependency
added mocha dependency for dev testing
removed extra comments and added a period.
updated readme to include calls to rake test task.
added in a test helper to include the memcached mock found in Dali
this is a copy of memcached mock which was found in the main Dali gem
added in a base test to check that cache keys are being included and returned properly
added the first test to be used with a mock memcache connections
Merge pull request #1 from eerwitt/add_tests

Adding some tests