Release 1.9.0

• fix: description (13d5aae)
• build: update dependencies (9a93634)
• build: add dependencies (f59f626)
• refactor: tune performance (c7d8bcb)
• test: fix (5f22e94)
• refactor: recursive generation (3d78061)
• refactor: move function (907c915)
• refactor: extract data helpers (fc2b5fd)
• feat: add setter functions (c933cf1)
• test: start with toyset tests (daba9eb)
• feat: add extractCombinationsImpl (5242a90)
• test: add vignette test (debff1b)
• build: add test script (2f08bf2)
• feat: simple test (58adc11)
• feat: prepare for testhat (b3dadd6)
• chore: update copyright year (ec1af48)
• build: update dependencies (0f030eb)
• feat: add support for specifying ot generating combinations (65669b7)
• build: update dependencies (63c47eb)
• build: try to fix build (37ce925)
• docs: rename vignette to be more prominent (05797d5)
• build: update deps (7c4cd70)
• mark expression plot as interactive (8491f65)
• update to upsetjs v1.6.2 (4209708)