including extra details in metadata visualisation
separate accessors to col/row/cell metadata
fixing base uri when getting metadata about fragments
adding support for metadata about rows and columns
fixing metadata display & linking of properties
annotations on table cells
displaying additional metadata
show error message when can't load CSV
added progress tracking
bug fix (extra unwanted cells when no $id column)
using #lang=en syntax to indicate language of column headers etc
fix popups not happening when changing pages
amends to test examples
Revert "using #lang=en syntax to indicate language of column headers etc"

This reverts commit ca96be43c8cd968d44ad46a42744816d56bcbe9f.

Conflicts:
	tests/eurostat/t2020_50/t2020_50.csv