Cadence 0.0.10

Issue by Issue

• Drop support for parameter inferred plain callbacks. #70.
• Implement zero-to-many callback functions. #62.
• Spell check and tidy prose. #69. #65.
• Implement arrayed sub-cadences. #64.
• Implement fix-up cadences. #61.
• Fix snuggled parameters. #60.
• Created a design document in design.markdown.