v0.3.1

• Register gem to metanorma
• Address IsoDoc gem refactor

v0.2.7

• Styling: align HTML definition lists: metanorma/metanorma-iso#170
• Syntax error under Ruby 2.5 resolved: double splat arguments: metanorma/isodoc#58
• Refactor code for HTML and Word generation of document: metanorma/isodoc#56
• Add colophon #2
• Styling: add footer
• Styling: month/year dating of document
• Changed permissible document types