publish version v1.7.0 with these changes (since v1.6.0): * ff3b6ef 2026-01-19 Release as v1.7.0 * 567bd38 2026-01-19 Speedup and enhance unittest * d0efc9c 2026-01-17 Remove unfinished copied files on errors * 1278005 2026-01-17 Display/update progress on very lage files #75 and enhance all bars * d823ed5 2026-01-18 Expand tests: Check file open calls * 9330064 2026-01-17 Expand tests: Check file open calls * e5c9de9 2026-01-17 expand tests * 2f34ae7 2026-01-17 simplify tests * 952de48 2026-01-17 simplify tests * 68cb9c9 2026-01-17 Warn if broken symlink found * dade8f9 2026-01-17 Update README