sculpting beautiful circular drawings

Changes for 0.70 - 2023-11-05

• = cleanup cleanup release
• ' remove POD mentioning removed dialogs
• ' minor POD updates to recent changes
• ~ sketches also can draw dots if wanted
• ~ line checkbox also triggers new sketch (but colors still don't)
• ~ reopen recent menu has right order
• / remove some dead code
• ! dont use deleted dialogs
• ! all dialogs remember dir