- Fix couple of bugs in Table viz: rounding of bottom div, missing character, not including row count as an option.
- Add better JSON format for `Row`, add support for visualization in the Table viz both for `Vector Row` or `Row`.
- Fix some type signature errors.
- Move `Column_Format` to `Standard.Table.Internal`.
- Move `format_widget` to `File_Format.default_widget` and sort the signature of `Widget` methods.
- Added utility to make `Single_Choice` widgets.
- Added dropdown for delimiter on split methods.
- Removed `default_widget` from `Problem_Behavior` and `Filter_Condition`.
- Altered signature and widgets for table functions.
- Added `to_column` extension to allow easy conversion of Range and Vector to Column.
- Added `compute`, `compute_bulk`, `running` to Column to allow statistic computation.
- Added drop down for `Table.write` format parameter.
- Added drop down for `Table.rename_columns`.
- Added support for Vector of pairs for renaming columns.
- Added check when making a map from Vector if not 2 items.
