v0.9.1

• Sanitize file names in cargo zng new.
  • Also add f-key-f and f-Key-f for templates to interpolate sanitized file names.
• Fix cargo zng new values cleanup.
• Add more :case conversion functions in .zr-rp.
  • Add alternative longer names for all cases.
  • Add :clean that only applies cleanup.
  • Add :f or :file that sanitizes for file name.
• Support multiple :case functions in .zr-rp.
  • Pipe separator, :T|f applies :Title them :file.