Discuss desired breaking Java API changes for v2.0.0

[p-bakker]

As per , the idea is to schedule desired/required breaking api changes for v2.0.0

Besides required API needed to make Rhino compliant to the EcmaScript spec, there has been word in the past that some breaking API changes might have to be made in order to:

• make Rhino more maintainable
• make Rhino more performant
  However, what those desired breaking API changes are have not been specified.

Hence this case to get claritiy on those.

Some pointers mentioning this: #734 (comment) & #734 (comment)

[p-bakker]

Maybe not so much a potential breaking change, but in #268 (comment) the suggestion was made to improve the mechanism of getting the ids of a Scriptable by something that doesnt depend on copying arrays all the time, like an iterator