**BREAKING** Type Stability for MOInputs

[willtebbutt]

Summary

Make input collection types for isotopic multi-output things type stable.

Proposed changes

Change the Integer type constraint in MOInputIsotopicByFeatures and MOInputIsotopicByOutputs withInts.

What alternatives have you considered?

Could have parametrised the type to allow any Integer, but I think this is probably fine.

Breaking changes

If anyone is currently using anything other than an Int to specify the number of outputs, they'll need to change it to an Int. I can't imagine that this happens very often, so effects should be minimal.

[codecov]

Codecov Report

Merging #405 (364f957) into master (992b665) will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master     #405   +/-   ##
=======================================
  Coverage   92.74%   92.74%           
=======================================
  Files          52       52           
  Lines        1199     1199           
=======================================
  Hits         1112     1112           
  Misses         87       87           

Impacted Files	Coverage Δ
src/mokernels/moinput.jl	100.00% <ø> (ø)

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[st--]

Seems fine to me.
For the doc issue, you need to update the Manifests of doc/ and examples/*/.
For the test issue, see #409

[willtebbutt]

@theogf @st-- there are a number of other things that we've wanted to address in the next breaking release for a while: #338

I don't have time to push these through right now, so I'm going to hold off on merging this until we've got them in place, either in this PR or another, so that we don't have to block patch releases on master.

[theogf]

Should we generally have a branch breaking_master where we can merge these breaking PRs?

[willtebbutt]

Closed in favour of #465 , which is non-breaking