2.0.0

• ✨ Empty lines are now attributed as leading / trailing trivia
  instead of generating UnrecognizedIniNodes. See #13.
• ⚡ Breaking: A lot of restructuring has gone into the AST.
  These changes only affect advanced users that manipulate the AST directly and not via the Editing API.
• 🐛 Newlines preceded by whitespace are now correctly categorized as newlines instead
  of whitespace. See #15.