9.1.0: XP 12 compatibility

• Made compatible with XP 12 - @thekid
• Added PHP 8.4 to the test matrix - @thekid
• Merged PR #2: Migrate to new testing library - @thekid

9.0.3: XP 11 compatibility

• Made library compatible with XP 11 - @thekid

9.0.2: PHP 8.1 compatibility fix

• Fixed PHP 8.1 compatibility by declaring getIterator() with correct
  return type. See https://wiki.php.net/rfc/internal_method_return_types
  (@thekid)

9.0.1: EOF handling fix

• Fixed reading past end to consistently return NULL - @thekid

9.0.0: Drop PHP5

• Dropped support for PHP 5.6, see xp-framework/rfc#334 - @thekid

8.1.1: XP10 compatibility

• Added compatibility with XP 10, see xp-framework/rfc#333 - @thekid

8.1.0: PHP 7.4 compatibility

• Made compatible with PHP 7.4 - refrain using {} for string offsets
  (@thekid)

8.0.0: XP9 Compatibiliy

• Heads up: Dropped PHP 5.5 support - @thekid
• Added forward compatibility with XP 9.0.0 - @thekid

7.1.0: XP8 compatibility

• Added forward compatibility with XP 8.0.0 - @thekid

7.0.0: XP7 compatibility

• Adopted semantic versioning. See xp-framework/rfc#300 - @thekid
• Added version compatibility with XP 7 - @thekid