Thighten dependency on mm.
Correctly remove ogg.
Tighten dependency on duppy.
Merge pull request #484 from rdicosmo/master

Added functory 0.5
Merge pull request #485 from smimram/liquidsoap

Correctly uninstall ogg + tighten dependencies of Liquidsoap 1.0.1
Merge pull request #487 from rdicosmo/master

Simplified opam script for Functory 0.5
add cstruct update
Merge pull request #488 from mirage/master

cstruct 0.7.1
Improved description of Functory