venndir 0.0.47.900

• Refactored label grouping and rendering to use gtable, faster and more robust to font usage.
• Simplified the Venndir data model.
• Added marquee/gridtext/textGrob options for labels/
• Using marquee avoids MacOS error R-4.4.1 and older.
• Very near ready to submit to Bioc or CRAN.