Display or return rqa results in the order shown in the docs

[rs7q5]

I would like the rqa results to be shown or returned in the order that they are inserted because as it sits it currently makes sense (RR, then diagonal measures then vertical measures if desired) and it would also be consistent with how it is presented in the docs.

I understand why the exported version of it is a Dict, but to achieve the desired result the quickest way I can think of is to allow the rqa type specified to be an AbstractDict to allow for an OrderedDict to be specified and without adding a dependency for different types of collections.

In other words the proposed change is to change the rqa function to

function rqa(::Type{DT},R;kwargs...) where {DT<:AbstractDict} end

I would also be content with just editing Base.show, but I wasn't sure which would be preferred.

[Datseris]

What happens if you just do OrderedDict(rqa(...))?

[Datseris]

but sure, you can just do a pr that uses AbstractDict.

[rs7q5]

If you just do OrderedDict you will get the default order that the dictionary displays it as because OrderedDict is the insertion order.

I'll submit a PR request though. thanks!