Slowly converting to rust 0.11
indent and stuff
Slowly getting better, still on way to 0.11...
working version with RefCells
Better and better
getting ugly but working
hiding uglyness
more hiding Rc
propagators similar to variables
no dead code any more
single waiting HashMap
added LtXYy, cleaned up Propagator trait, removed _count variables
struct inheritance
removing one layer of indirection
making Vec<Rc<FDVar>> a field of Prop
first constraint and some restructuration
x < y + c
ignores
as said in cargo.io doc

--HG--
rename : src/main.rs => src/lib.rs