[4.0.0] Collections now use the Validation component

[SidRoberts]

Refs: #12098

[Jurigag]

Adding this already to 3.x.0 won't be hard and still BC with old way. Only instanceof checks and that's it. Question is - are we want do it ?

I can do PR with solution.

[Jurigag]

Well im adding this for 3.1.0 with BC. So in your PR there will be only need to remove old ability and and old classess.

[SidRoberts]

I had to remove some files from ext/ because, previously, AppVeyor reached 100 errors and would stop compiling.

[sergeyklay]

Let me deal with this a bit later. I'll try to sort out tomorrow.

[sergeyklay]

@SidRoberts I regenerated the build and updated ext/ dir. Could you please rebase

[niden]

Thank you!