laps v0.0.2

Added

• derive syntax for macro token_ast.
• More examples, including sexp, calc and json.
• More documentation comments.
• Module prelude for some common traits and macros.
• token_kind now implements Clone, 1ryFrom<Kind> and 1ryFrom<&Kind> for token kinds.
• token_ast now implements unwrap and unwrap_ref methods for token ASTs.

Changed

• Updated version of some dependencies.
• Feature no-logger to default feature logger.
• License to either Apache 2.0 or MIT.

Fixed

• Fault about byte buffer offset (byte_buf_offset) in Reader.
• Fault about namespace of some Rust preludes in procedure macros.
• Fault about error message in method TokenStream::expect.
• Fault about string width calculation in Span's error logging related methods.