Validate hex values with RegEx
Added unit tests against bad hex values
Refactored way in which Unicode-encoded characters are loaded; should be faster
Added JSONItem_MTC long tests
Merge branch 'feature/Validate_hex_codes' into develop
Updated version to 2.5
Merge branch 'release/2.5' into develop
Merge branch 'develop' into feature/MBS_comparison

* develop:
  Updated version to 2.5
  Added JSONItem_MTC long tests
  Refactored way in which Unicode-encoded characters are loaded; should be faster
  Added unit tests against bad hex values
  Validate hex values with RegEx

Conflicts:
	JSONItem_MTC Harness/JSONItem_MTC Harness.xojo_project