Conversion class between MARC record and Wikidata object.

Changes for 0.07 - 2023-11-29T01:53:01+01:00

• Add $options_hr return value to clean_date(). Implment circa date.
• Add Litoměřice to publishing places cleanup.
• Add Náchodě to publishing places cleanup.
• Add Praha? to publishing places cleanup.
• Add Výst. to series ordinal cleanup.
• Add Výstava to series ordinal cleanup.
• Add example for clean_number_of_pages() to doc.
• Add property snak to publishing place to resolve multiple publishers.
• Fix cleanup of publisher name with ending ']'.
• Implement sine loco.