Flask-appbuilder

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- Fix, removed forced cast to int on json conversion for DirectChartView. Better support for float.
- New, List for simple master detail, master works like a menu on the left side.
- Fix, fixed buttons size for show, edit, delete on lists. Buttons will not adapt to vertical.
- Fix, if no permissions for show, edit, delete, no empty cell is shown <th> or <td>.
- New, internal change, crud buttons on lib.

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- Fix, reported issue 15. Order by causes error on postgresql.

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- New, DirectChart support for xcol datetime.date type (Date or DateTime Model type).
- Fix, base_order property for DirectChartView.

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- New, ListBlock with pagination.
- New, Menu separator raises exception if it does not have a correct category.
- New, ShowBlockWidget different show detail presentation.
- Fix, login failed was not displaying error message.
- New, password is saved hashed on database.
- New, better database exceptions on security module
- New, User model columns: last_login, login_count, fail_login_count.
- New, User model column AuditMixin columns (created_on, changed_on, created_by_fk, changed_by_fk).
- New, AuditMixin allows null on FK columns.
- Fix, Add user on non sqlite db, failed if no email provided. Unique db constraint.
- Fix, form convert field exception handling (for method fields).
- New, support for "one to one" relations and "one to many", on forms, and filters (beta).
- Fix, ChartView unicode correction.
- New, DirectChartView to present database queries on numeric columns with multiple series.
- Fix, Adds all missing permissions to the role admin. Allways
- Fix, Removed User.active from possible search.
- New, unicode review for future python 3 support.

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- Fix, url on time chart views to allow search on every group by column.
- New, support for float database type.

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- BaseChartView *group_by_columns* empty list validation.
- Fix, url's for charts were changed to allow search on every group by column.