v0.3.1

What's Changed

• String support in unions by @TethysSvensson in #97
• Add support for structs in unions by @TethysSvensson in #98
• Fix some bad codegen when using certain field names by @TethysSvensson in #101
• Fix panic when accessing union from invalid input by @jorgecarleitao and @TethysSvensson in #102
• Add some extra debugging output for the serialize tests by @TethysSvensson in #103
• Bugfix for struct field attributes by @TethysSvensson in #105
• Document the planus crate by @kristoff3r in #104

Full Changelog: v0.3.0...v0.3.1