[development] Open season for references

[Gerhard Killesreiter]

Karoly Negyesi wrote:
> Hi,
> 
> Let me declare open season for references. As they make it impossible to 
> use call_user_func_array and other cute tricks are also impossible, they 
> are a hinderance. I fail to see the benefit for us. Let's get rid of all.
> 


I am a big fan of "the right tool for the job". If a reference is the 
right tool, then let's use it. If it isn't it can be removed of course.

Cheers,
	Gerhard