Extract out a test_helper and some cleanup
Remove redundant test and name CacheWarp test correctly
Improve cachewarp executable
Split out unit and integration tests and refactor
Fix error if no args supplied
Don't depend on bundler in bin/cachewarp
Simplify the command line example
Merge pull request #1 from sahilm/master

Split out unit and integration tests, refactor and removed redundant tests, improved gem executable and clean-up all round.