Bug fixes

Github milestone: 8.x-1.2

Github milestone: 8.x-1.9

Changes since 8.x-2.0-alpha 3:

Github milestone: 8.x-1.4

New features pertaining to Harmonizer styles and minor bugfixes.

• The THEME.harmony.yml file now takes additional configuration options for harmonizer styles.
• Minor bugfixes were implemented and tweaks for existing functionalities.