Improve WireBox error on Adobe CF
Description
Adobe error.
1
{JAVACAST={java.lang.Object@4c47b16d},REF={java.lang.Object@4c47b16d},SCOPE={variables},REQUIRED={true},VALUE={java.lang.Object@4c47b16d},DSL={codeCheckerService@codechecker-core},TYPE={any},ARGNAME={},NAME={codeCheckerService}}string.toString() does odd things with nulls. Use serializeJSON, but also account for complex values.
