feature/simplify b field chunking
* Add chunk_by_exhibit function and unit tests
* Refactor preprocess
* Updated to run BU primary on entire Exhibit
* Makes BU secondary compatible with exhibit chunk mapping
* Added unit tests for get_exhibit_chunk
* Trimmed TD funcs
* Downstream changes to run_top_down
* Removed conditional funcs
* Merged main into feature/simplify-b-field-chunking
* removed conditional funcs import
* Merged main into feature/simplify-b-field-chunking
* Fixed run_bottom_up_primary arguments
* Fixed TD primary input
* Fixed grouped keyword mappings
* Remove filename tracking until postprocessing
* Removed postprocessing for client columns
* Removed col-based postprocessing
* Merged main into feature/simplify-b-field-chunking
* Fixed NoneType
* Add docstrings
* Updated unit tests for removal of 'Filename'
* Updated comments
Approved-by: Alex Galarce
Katon Minhas
3bb6abbcef