Full Changelog: v0.5.0...v0.5.1

• add support for Clip and examples in the README.md
• add support for COVERAGE LIST VALUES, for explicit enumeration of cell values over a domain
• add examples for convolution and switch in the README.md
• add validation of multiple axis specifications in a subset
• fix serialization of AxisIterRef from $$iter to $iter
• fix escaping of double quotes in Encode format parameters
• add more tests for Switch