[TYPO3-core] FYI: fixed a cache framework issue

[Karsten Dambekalns]

Hi Ingo, everyone.

Ingo Renner wrote:
> Fixed an inconsitency with between the name, the documentation and the 
> functionality of method loadByTag() in the new caching framework

Reasonable change. It made me think, and here is the new problem :)

First I wanted to rename the "findByTag" I added to FLOW3's cache to 
make this consistent. But then Robert said he disliked "load" itself, as 
that doesn't sounds as if it returns things.

I remember discussing this with Robert a while ago, not really falling 
in love with either get/set nor load/save.

So, to make a long story short (and as long as it s still possible to 
change this in 4.x code without too much work) - what about a unified 
refactoring of the cache frontend API to have this:
  set()
  get()
  getByTag()

I think it is important to have good names as well as consistency 
between 4.x and FLOW3/5.x in the "shared" parts.

Regards,
Karsten