A little of coordination for Rosettacode

[bearophile]

> http://codepad.org/g4RBio8E

this line:
.replace("TT", "0x" ~ text(T(n), 16));

Needs to be:
.replace("TT", "0x" ~ to!string(T(n), 16));

But the code in that link is all wrong because it needs all the 
code from std.md5 to work.
And even then I don't know where Decode() is.

Bye,
bearophile