2.1.0: XP 12 compatibility

• Made compatible with XP 12 - @thekid

2.0.2: PHP 8.2 compatibility

• Fixed "Creation of dynamic property" warnings in PHP 8.2 - @thekid

2.0.1: XP 11 / library compatiblity

• Made compatible with XP 11 as well as new major versions of
  xp-framework/io-collections and xp-forge/json
  (@thekid)

2.0.0: Drop PHP 5 support

• Implemented xp-framework/rfc#334: Drop PHP 5.6:
  . Heads up: Minimum required PHP version now is PHP 7.0.0
  . Rewrote code base, grouping use statements
  . Converted newinstance to anonymous classes
  . Rewrote isset(X) ? X : default to X ?? default
  (@thekid)

1.1.2: Annotation syntax

• Implemented RFC #335: Remove deprecated key/value pair annotation syntax
  (@thekid)

1.1.1: XP10 compatibility

• Made compatible with XP 10 - @thekid

1.1.0: Compatibility

• Merged PR #1: Make compatible with newer XP / PHP versions - @thekid

1.0.0: XP7 compatibility

• Added version compatibility with XP 7 - @thekid

0.3.0: Escaping & QA

• Code quality assurance: Add api documentation where missing
  (@thekid)
• Verify escaping works as described in JSON pointer RFC
  (@thekid)

0.2.0: RFC compliance

• Made it possible to shorten array by allowing the remove operation in
  conjunction with "-". This is not specified by the RFC, but I've seen
  it implemented in other places.
  (@thekid)
• Made it possible to modify, add and remove "-" keys from objects.
  (@thekid)
• Fixed RFC compliance problem: Numbers must be numerically equal, not
  strictly; meaning 1.0 equals 1 (and vice versa).
  (@thekid)