v4.9.0-alpha1

New feature

• Exported content can now be marked to modify existing content. See the documentation for further details. (#86)

Other

• PIC entry is no longer added to export toml file as this was redundant and could caused confusion

Bug fixes

• Fixed NullPointException when no requires_pictures key was set in any mod map inside the .toml file when mods where imported
• Fixed #118 - The customized publisher icon was not used when publishers where imported, instead the default icon name was used