GHCI Can't Find Module But GHC Can

[Simon Marlow]

> But ghci already contains a Haskell parser - so it should be much
> less work.

No excuses, but part of the reason we didn't do this is because of the
structure of GHCi.  There's a strong separation between the bit we call
the "compiler" which translates a single module into executable code,
and the "compilation manager" which handles multiple module compilation
and linking.  The parser lives in the compiler, and the dependency-tree
generation lives in the compilation manager.

Cheers,
	Simon