[PD] big soundfiles

[João Pais]

> Those internal floats are somewhat more precise than the printed floats,
> because pd doesn't print enough digits.

my problem is with the printed format. sometimes it's also a problem when  
getting those numbers from some operation, and they have to be worked in  
symbols or something (don't have a concrete example). but I thought that  
something like that wouldn't be just a design error.