v0.2.1

See the v0.2.0 milestone for a full list of all changes

Added

• Support .await and async expressions
• Started The Marker Book

Fixed

• cargo marker now works with lower toolchain versions
• Fixed errors due to drifts in the used toolchain
• Fixed the question mark operator resugar
• Spans now properly represent macro expansions

Changed

• BREAKING: FnItem<'ast> and ClosureExpr<'ast> no longer implement CallableData
• BREAKING: Some Span methods have been renamed