table: support vertical merge in HTML rendering; fixes #348 (#361)

update dependencies; other minor fixes (#354)

text: Wrap* should account for display width; fixes #344 (#347)

table: RowPainterWithAttributes; addresses #345 (#346)

table: ImportGrid to import a 1d or 2d grid as rows (#343)

table: defaults for row/header/footer align/valign; fixes #340 (#341)

table: change EmptySeparator to be a blank space; fixes #337 (#338)

text: handle hyperlink embedded text correctly; fixes #329 (#334)

table: update note about auto-merge (#320)

table: paging should work with auto-merge; fixes #315 (#317)