Better align numbers.
Set 'today', 'yesterday' writings bold.
Drop space. Change comments.
Extract weekdays and todayTexts static members of Weight class.
Extract months property of Weight class.
Add 'build graph by weekday' functionality.
Enhance Weight::getForDaysAgo() to have offset. Now it extracts weights for given date interval.

Update task file with completed in previous commits task.
Eliminate correction to get past week values in Weight::getForDaysAgo() method.
Move it instead to controller, av_index.php file.

Also, begin to transform Weight::getForDaysAgo() to accept 'YYYY-MM-DD' values.
Build inline $email variable
Add 'build by given month number' functionality.
Add Dates class. It is to keep calculations of dates
by number of month and week in one place.
Add generation of graph by month number. Use new dates class. Move validation of week day from Weight class to graph controller.
Update task file with completed task.
However, I have to improve dropboxes after special case was selected, to keep number checked by default.
Pass $term and $type data to template.

Improve $term and $type variables generation.
Fix variable passed to template.
Set dropbox to display default value of previous choice.
Auto format.