Making all strings UTF ranges has some risk of WTF

[Walter Bright]

Andrei Alexandrescu wrote:
> It's no secret that string et al. are not a magic recipe for writing 
> correct Unicode code.

I'm concerned it would be slow. Most operations on strings do not need 
to decode the unicode characters, for example, find, startsWith, etc., 
do not. Decoding then doing find, startsWith, etc., will be considerably 
slower.