v0.9.0

Changelog

• e643a79 Add 'PreserveTitleAndBody' configuration
• 2f409a5 Add --count flag to spr update command
• 9cfba23 Add -update / -u flag : runs spr update after amend
• 21fb142 Add back newlines
• e5234bd Fix typo and lint
• 4894734 Remove code left over from pre-formatting message
• d454c59 Replace merge --upto flag with more intuitive --count flag
• ef4add6 Update readme with merge method
• 5a9c693 amend: replace [] with ()