Release 0.9.0

Fixes

• Fix #400 (PR#506): clear anchors after resolving.
• Fix #484 (PR#506): fix merge key order for last element to be overriden.
• PR#503: ensure parse error on a: b: c and similar cases containing nested maps opening on the same line.
• PR#502: fix parse errors or missing tags:
  • missing tags in empty documents:

    !yamlscript/v0/bare
    --- !code
    42

  • trailing empty keys or vals:

    a:
       :

  • missing tags in trailing empty keys or vals:

    a: !tag
      !tag : !tag

  • missing tags in complex maps:

    ? a: !tag
      !tag : !tag
    :
      !tag : !tag

• PR#501: fix missing tag in - !!seq [].
• PR#508: fix build with cmake 4.
• PR#517 (fixes #516): fix python wheels for windows and macosx.
• Fix #120 (again): add workaround for #define emit in Qt

Thanks

• @davidrudlstorfer