Django-slick-reporting

- Fix issue with `ReportField` when it has a `requires` in time series and crosstab reports

- Now a method on a generator can be effectively used as column
- Use correct model when traversing on group by

- Fix Issue with group_by field pointing to model with custom primary key Issue 58

- Fix highchart cache to target the specific chart
- Added initial and required to report_form_factory
- Added base_q_filters and base_kwargs_filters to SlickReportField to control the base queryset
- Add ability to customize ReportField on the fly
- Adds `prevent_group_by` option to SlickReportField Will prevent group by calculation for this specific field, serves
when you want to compute overall results.
- Support reference to SlickReportField class directly in `requires` instead of its "registered" name.
- Adds PercentageToBalance report field

- Change the deprecated in Django 4 `request.is_ajax` .

- Fix an issue with time series calculating first day of the month to be of the previous month 46