v0.9.0

Changelog

• 7168128 Add awml fit --parts: which platforms hold each part (#189)
• f2b2358 Describe the map of several workflows in drawing-by-hand.md (#186)
• dc3b73b Draw the map first on a page of several workflows (#187)
• e6d226b Keep a rebase only if it's one straight line of the branch's own commits (#181)
• 9b63d35 Keep a session's rights to its tree when its Bash changes folder (#196)
• f79e24f Let sessions remove and move their own files, and say untracked files go into the change (#195)
• f889cc6 List every fit --parts option with no spare platform, with placement (#199)
• 7f903fe Make an older file's top comment its description in awml convert (#188)
• d4eeda7 Refuse only an invalid file, and pass a drawing with errors (#200)
• 99d9cb2 Release 0.9.0: invalid files told from drawings with errors, no outside action into a context, untrusted text on a surface warned of, and fit --parts
• c24ea02 Rename convert's describe, which clashed with fit's (#192)
• fed5de4 Report a line from an outside action into a context, in format 0.9 (#190)
• 83afb59 Report an owner/slug ref that several files given could be (#185)
• 941aa92 Run the rebase's session on Sonnet (#184)
• 8053377 Tidy three Nits left from the 0.8 changes (#183)
• e44c93e Warn when untrusted text reaches a surface unstopped (#194)