Riffle 0.0.5

Return underlying record size.

Strata now exposes the underlying record size for the sake of Locket which needs it to implement approximateSize, an approximate storage size of a range records. Skip needs to forward the underlying side from its next function.

Issue by Issue

• Release version 0.0.5. #32.
• Upgrade Proof to 0.0.41. #31.
• Upgrade Cadence to 0.0.33. #30.
• Upgrade Strata to 0.0.16. #29.
• Test keys returned by iterator. #28.
• Return underlying record size. #27.