v1.9.0

Features

• capi: expose label obstacle boxes (2d12be2)
• plotting: add exterior set-label placement (1f09e0d)
• plotting: relax the random glyph scatter (5c4c3b3)
• web: expose member labels as glyphs (5e47729)
• pack member text labels as glyph boxes (8950e8b)
• plotting: keep glyphs clear of label boxes (eb8c850)
• add eulerGlyphs-style glyph placement (3665c2e)

Bug Fixes

• plotting: keep glyphs clear of region edges (badf54a)
• fitter: skip cluster rotation for axis-aligned shapes (9dc14dd), refs #133
• fitter: bound rectangle size params in optimizer box (9e4c901), refs #133