giving Rack::Cache a default ttl to try and prevent all those cache misses on heroku
giving Rack::Cache a default ttl to try and prevent all those cache misses on heroku

hacktahoe/tahoe_answers,hacktahoe/tahoe_answers,hacktahoe/tahoe_answers,hacktahoe/tahoe_answers,hacktahoe/tahoe_answers,hacktahoe/tahoe_answers,hacktahoe/tahoe_answers