Rename to dub.json
Fix DLL name.
Correct handling of versions.
Use DUB configurations to define FANN precision as a version identifier.
If using derelict_extras-fann, use "subConfigurations" to select the right one within your dub.json.
Fix loading with FANN 2.2.0 (nothing would work!)
FANN functions are mangled on Windows 32-bits, but not all.
Are 64-bits function mangled? I don't know.