Load encoded values > &hFFFF correctly
When EncodeType.All, properly encode characters with a code point > &hFFFF
Added unit tests for encoding of code points > &hFFFF
Updated README
Added unit test for JSONItem for decoding surrogate pairs
Adjusted unit test
Merge branch 'feature/Encode|decdode_characters>0xFFFF' into develop
Updated version to 2.4
Merge branch 'release/2.4' into develop
Merge branch 'develop' into feature/MBS_comparison

* develop:
  Updated version to 2.4
  Adjusted unit test
  Added unit test for JSONItem for decoding surrogate pairs
  Updated README
  Added unit tests for encoding of code points > &hFFFF
  When EncodeType.All, properly encode characters with a code point > &hFFFF
  Load encoded values > &hFFFF correctly
Added JSONMBS unit test for decoding code point >  &hFFFF