Update dub.json

Merge pull request #42 from libmir/ShigekiKarita-patch-1

Disable x86 ldc in appveyor

Merge pull request #40 from libmir/update-mir

fix and deprecate stats API with seeds

Merge pull request #39 from libmir/update-mir

update mir version

Merge pull request #38 from libmir/9il-patch-1

Update dub.json

Merge pull request #37 from libmir/upgradedeps

upgrade dependencies

Merge pull request #36 from libmir/mir-2.0

update mir-algorithm

Merge pull request #34 from libmir/mir-1.0

update mir-algorithm

Merge pull request #21 from libmir/patch-io-test

update numir.io test

Update package.d