Some additional error handling.
Changed structure of each cached user to include date we follow and unfollow.
UI changes to support stagerred following of users.
Rename WebRequest to FilterRequest to account for new request types.
Rename driver -> filter. Adding FollowRequest.
Can now follow users from within application.
Moving API keys to separate file. Updating Readme.
User cached data now holds date of follow.
Tabs for help/stats page.
Code cleanup.
Ability to set range for follow interval.