v4.6.4

Changes

• Mark as compatible with Cura 5.6
• Add message when plugin is not loaded due to version mismatch

Commits

• 805d5bc: Set version to 4.6.4-DEV (fieldOfView)
• 4c6f360: Remove unused imports (fieldOfView)
• 6ec5e06: Mark as compatible with Cura 5.6 (fieldOfView)
• ff2be09: Add clarifying message when plugin is not loaded due to version mismatch (fieldOfView)
• fb3274d: Set version to 4.6.4 (fieldOfView)