Release 4.0.0-alpha.9

• makes no sense but required for cross-zip since it switches directories (dc4f977)
• move script docu to typedoc (85d2fe6)
• hide menu upon split to children (0d0fdc5)
• fix multi level rendering (ab96cc7)
• disable droping more than 2 on imposition (4012c1b)
• update renderer upon width change (9ed54ad)
• use release-it and cross-zip (24f1332)
• Merge branch 'develop' of github.com:datavisyn/lineupjs into develop (b08e9bf)
• Fix label for missing values in CategoricalStackedDistributionlCellRenderer (#118) (e93f82e)
• add boolean column desc builder (4f7206a)
• fix typo (c82e38b)
• Merge pull request #108 from datavisyn/thinkh/expose-isGroup-createMappingFunction (c0a9ba9)
• Merge pull request #106 from datavisyn/thinkh/fix-on-listener-typings (b9500fc)
• Merge branch 'develop' of github.com:datavisyn/lineupjs into develop (47ba23a)
• make part of cellrendererfactory optional for simpler extensions (18dded5)
• Merge pull request #107 from datavisyn/thinkh/fix-date-column-typings (d06c42a)
• Expose isGroup() in the .d.ts typings (af967fc)
• Expose createMappingFunction() in the .d.ts typings (ab8d1f4)
• Explitly set return type of DateColumn.compare() (bca4b85)
• Fix on typings by duplicating the most general listener (902fba7)
• fix typo (9be7862)
• better derive of values (df61104)
• detect string dates (eb850ed)
• better derive of categoricals (dffcb48)
• Merge pull request #105 from datavisyn/sgratzl/color (7d28ee0)
• add chooser for color scheme (31bade4)
• fix update of colors (a7a200f)
• use name instead (8fceca0)
• fix errors (4b0f4b1)
• color mapping dialog (41c4511)
• color mapping for categoricals (119c5ef)
• Merge branch 'develop' of github.com:datavisyn/lineupjs into develop (60292bf)
• more flexible derive of categoricals (7d8f712)