7.0.0: Drop PHP < 7.4, PHP 8.5

• Heads up: Dropped support for PHP < 7.4, see xp-framework/rfc#343,
  (@thekid)
• Added PHP 8.5 to test matrix, fix E_DEPRECATED: Using null as an array
  offset is deprecated, use an empty string instead - @thekid
• Heads up: Remove deprecated usage of calling Iteration::next()
  (@thekid)

6.1.1: Implicitely nullable fixes

• Fixed "Implicitly marking parameter ... as nullable is deprecated"
  warnings
  (@thekid)

6.1.0: XP 12 compatibility

• Made compatible with XP 12 - @thekid

6.0.0: Continuous disintegration

• Merged PR #23: Remove deprecated XmlStream, XmlFile, XmlString and
  XmlResource classes
  (@thekid)

5.4.0: Whitespace handling

• Merged PR #24: Handle xml:space attribute and preserve whitespace
  (@thekid)
• Added PHP 8.4 to the test matrix - @thekid

5.3.0: XmlStreaming API

• Heads up: Deprecated XmlStream, XmlFile, XmlString and XmlResource
  in favor of the new entry point class util.address.XmlStreaming.
  (@thekid)
• Merged PR #21: Join various input sources into one new API: XmlStreaming
  (@thekid)
• Merged PR #20: Migrate to new testing library - @thekid

5.2.1: Reflection compatibility

• Fixed compatibility with XP reflection 2.8.0 - @thekid

5.2.0: Closeable streams and files

• Made XmlStream and XmlFile implement the lang.Closeable interface
  (@thekid)
• Fixed Undefined property: util\address\XmlStream::$file warnings
  (@thekid)
• Changed XmlStream::toString() to check if InputStream implementations
  provide a toString() method even if they do not implement lang.Value.
  See xp-framework/core#310
  (@thekid)

5.1.1: PHP 8.2, library compatibility

• Fixed PHP 8.2 compatiblity - @thekid
• Made compatible with XP reflection 2.0.0 - @thekid

5.1.0: Inline DTD support

• Merged PR #19: Support for inline doctype and entities. External
  DTDs and external entities are not supported.
  (@thekid)