serialize:true takes priority over the OneToMany check for relationships

[sly7-7]

Fixes #3189

Apologize in advance for my frenglished documentation
cc/ @igorT

[igorT]

This doesn't make sense as a flag, it's a value that changes for each key, so needs to be a function

[sly7-7]

Did'nt thought about that, definitely I will remove that.

[igorT]

@sly7-7 we should implement shouldSerializeRelationship and that can implement this logic + oneToMany check and then we call that instead of the check on 692 and the

[sly7-7]

@igorT I think I understand, I don't know when you want this, but I won't be able to do before tomorrow evening (trip today, soccer tomorrow). If it's not to late I'm happy to take that.

[igorT]

No rush, enjoy the game

[sly7-7]

@igorT Ping ?

[igorT]

Seems to fail on Travis due to jshint

[sly7-7]

@igorT I'm confused, I can't reproduce the jshint error locally. I just rebase and force push... let's see whan happen

[sly7-7]

@igorT It's ready if you don't have any other (welcome) advices :)

[igorT]

@sly7-7 I think we talked about moving the

+      if (this._shouldSerializeHasMany(key, relationshipType)) {

to be next to the canSerialize line right?

[igorT]

Thanks!