v0.17.0

What's Changed

• A legend or note outside the tree panel, and a fix to the missing-font check by @AADavin in #47
• Canvas.raw_path — the primitive #42 asks for by @AADavin in #48
• ph.page — several figures on one page, as vectors by @AADavin in #49
• branch_markers — a mark on a branch, coloured by a number by @AADavin in #50
• tube and gene_path — a species tree with a gene's history inside it by @AADavin in #51
• node_points(intervals=…) — the uncertainty on a value, drawn through its point by @AADavin in #52
• legend(loc='auto') measures the tip names too by @AADavin in #53

Full Changelog: v0.16.0...v0.17.0