version and debug statements

[Walter Bright]

Ameer Armaly wrote:
> What if it were across multiple files, or some other particularly large but 
> modular project; I'm not saying it couldn't be done, only that it looks 
> bloated.  I agree with you that multiple bool operators might be pushing 
> things a bit, but a simple not operator would IMO make things efficient 
> enough to where the rest of that wouldn't matter as much. 

For multiple files, the idea is to abstract the feature out into its own 
module rather than embedding it.