update task file.
update task file.
Increase size of bullets.
Decrease number of week by 1.

It is for first week to include first day of year.
Update task file.
Update .htaccess to limit processed URLs.
Add pseudocode for getWeeksWithResults().
Extract Trend class.
Set Dates to be year independent.
Add getWeeksWithGraph() method.
Set Weight::getWeeksWithGraph() to be year independent.
Set output format of Weight::getWeeksWithGraph() to be enumeration of week numbers,
not array numbers as array keys.
Pass numbers of weeks, that are able to build graph, from controllers to template.
Update task file with 'graph weeks only'