WiDOCO 1.4.21: Better support for rules and minor fixes

This release introduces the following changes:

• Better support for SWRL rules thanks to @vChavezB
• Fix #658 problems displaying custom introduction sections
• Improved documentation and README
• Now the affiliation parenthesis and commas are more consistent for authors (#572)
• Fixed a problem when using the flag -confFile making disappear the namespace declaration section

New Contributors

• @MikiDi made their first contribution in #644
• @vChavezB made their first contribution in #653

Full Changelog: v1.4.20...v1.4.21