Changelog:

• choose only exactly matching strings in chooser
• speed up getMaxWidth() for wide columns
• Default disp_histogram to U+25A0 BLACK SQUARE
• do not truncate wide columns with fixed-width saver
• add missing import copy
• allow filling with values that are logically false
• add new rows to sheet on paste
• show correct progress for compressed files
• undo is Sheet-specific on copied sheets
• undoing zd now removes modification mark
• update for Python 3.12
• many bugfixes

open tsv file; sort and filter rows