organize v3

[tfeldmann]

• New action: write.
• New filter: date_lastused (macOS only).
• You can now specify the timezone in all time based filters.
• Removed hidden (deprecated) CLI option --config-file.
• Lots of new tests and some bugfixes.
• exif filter now supports the simplematch syntax.
• {now} must be {now()} now.
• multiple paths per location
• min_depth option
• Removes pyfilesystem dependency
• At least 4x speed up, often more than 10x.