Hardcode USD for now.
Cast difference in dates to integer.
Revert back to original interval.
Expand the first result.
Add resque.
Add resque and add self referential searches list.
Try procfile
Configure to use heroku redis.
Add redis gem.
Check in yml.
Update yml.
Try Resque.redis
Modify procfile.
Use resque-pool.
Take care of NilClass no results case.
Clear subsearches and assign old search to searches plus remove user from search.
Enqueue multiple searches that spans the whole interval.
Min/Max direct price.
Add avg_direct_price to search.
Add Highcharts and correct avg calculation.