v0.17.0

Feature

• Make Data.cast lazy (4d4e739)
• Add composite literals (ae424a1)

Fix

• Contrib.commands failed to parse data sources with empty path (3663d96)
• Make nbt_type argument of Data.cast optional (beca595)
• Type checking failing for expandable compound types (3b8c57e)
• Improve source reuse optimization (6f1aef7)