rand(rng::AbstractRNG, r::Range) missing

[curufinwe]

It would be nice to have a function like that in the std. lib.

[rfourquet]

I implemented it, but based on two unmerged PR, so will wait to see if they are accepted.

[ViralBShah]

Which PR is this? Seems like we should make this work.

julia> r = MersenneTwister(5);
julia> rand(r, 1:10)
ERROR: `rand` has no method matching rand(::MersenneTwister, ::UnitRange{Int64})

julia> rand(r)
0.5303646605536807

julia> rand(1:10)
6