v2.42.0

Fixed:

• Symlinks in workspaces are properly resolved now, #802, #954

Added:

• Optional caching of access to METS, configured via environment variable OCRD_METS_CACHING, #875
• CPU and memory profiling , configured via environment variable OCRD_PROFILE and OCRD_PROFILE_FILE, #678

Changed:

• ocrd workspace find: supports comma-separated regexes, ranges and literal values for --page-id, #955
• ocrd workspace find: ranges are generated with last number in string, #955