Collective.eeafaceted.z3ctable

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- Nothing changed yet.

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- Modified `columns.VocabularyColumn` column by handling multiple ignored_values.
[sgeulette]
- Improved `colums.DateColumn` column by converting DateTime to compare correctly with ignored_values.
[sgeulette]
- Python 3 compatibility.
[gbastien]

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- When `the_object=True`, `attrName` may be a callable.
[gbastien]

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- Take into account `VocabularyColumn.ignored_value` in `AbbrColumn`.
[gbastien]

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- In `DateColumn.renderCell`, no need to manage a `DateTime` as it is supported
by `api.portal.get_localized_time`.
[gbastien]

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- Added `PrettyLinkWithAdditionalInfosColumn.ai_reloaded_fields` functionnality:
this will force update cached widget and remove its terms if any, this is
useful when using a context aware vocabulary.
[gbastien]
- Removed the `PrettyLinkWithAdditionalInfosColumn` `get_ai_xxx` accessors,
access the attribute directly instead.
[gbastien]
- Added attribute `BaseColumn.the_object=False`, this means that we are getting
the information on the object and not on the brain.
Removed recently added columns `AwakeObjectVocabularyColumn` and
`AwakeObjectAbbrColumn`, simply use `the_object=True` in this case.
[gbastien]