9.0.1: PHP 8.5 deprecation fix

• Fixed E_DEPRECATED: Using null as an array offset is deprecated, use
  an empty string instead (PHP 8.5+)
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9.0.0: PHP 7.4+

Heads up: Remove deprecated template loader infrastructure, see #8
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Heads up: Dropped support for PHP < 7.4, see xp-framework/rfc#343
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• Added PHP 8.5 to test matrix - @thekid

8.2.0: XP 12 compatibility

• Made compatible with XP 12 - @thekid

8.1.0: Reflection removal

• Merged PR #16: Try using __get() to retrieve pointer - @thekid
• Merged PR #15: Refactor code base to no longer use reflection - @thekid
• Added PHP 8.4 to the test matrix - @thekid

8.0.4: Template string representation fix

• Fixed com.github.mustache.Template string representation to include
  root node's string representation
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8.0.3: String representation fix

• Fixed Call to undefined method xp::stringOf() - @thekid
• Merged PR #14: Migrate to new testing library - @thekid

8.0.2: Member declaration fix

• Fixed member declaration in com.github.mustache.templates.Compiled
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8.0.1: PHP 8.2 compatibility

• Fixed issue #13: Creation of dynamic property ... is deprecated, thereby
  adding compatibility with PHP 8.2
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8.0.0: Drop XP 9, add XP 11

• Made compatible with PHP 8.1 - add ReturnTypeWillChange attributes to
  iterator, see https://wiki.php.net/rfc/internal_method_return_types
• Implemented xp-framework/rfc#341, dropping compatibility with XP 9
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7.0.0: Single quotes escaping

• Changed single quotes to be emitted as ' for all PHP versions.
  This breaks backwards compatiblity but ensure there are no security
  risks with expressions such as <a href='{{url}}'>...</a>.
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