Bump version number to 0.4.0

Add attribute fields to structs and enums

Work around rust-analyzer proc_macro bug

Prepare for 0.3.0 release

Add support for parsing basic function signatures

Prepare for 0.2.0 release

Remove #[inline(never)] attributes

Use built-in tokenizer instead of makeshift one

Prepare for initial release

Remove access_ident

Rename raw_ident to access_ident

Add raw_ident method on StructField

Minor changes + add convenience method

Initial Commit