Parse TRUE/true, NIL, nil, etc as single tokens
Parse TRUE/true, NIL, nil, etc as single tokens

Refs https://github.com/tree-sitter/tree-sitter/pull/505

tree-sitter/tree-sitter-ruby,tree-sitter/tree-sitter-ruby,tree-sitter/tree-sitter-ruby,tree-sitter/tree-sitter-ruby,tree-sitter/tree-sitter-ruby,tree-sitter/tree-sitter-ruby,tree-sitter/tree-sitter-ruby,tree-sitter/tree-sitter-ruby