Updated The Slogan.
Added func to grab summarized records over a time period.
#8: Added page for viewing summarized records for a period.
Updated date heads in view.html
Can now specify how many days to view via a ENV var.
Made a hard limit for the view period.
There's no use for generators, might as well be dumb (easier to test).
Updated tests for summarize_period().
Fix #8: Added some basic tests for the "view" view.