Added Pickle support (VKCOM#81)

Co-authored-by: d.gavrilov <d.gavrilov@dgavrilov-nb-2.local>

Fix CI on MacOS (VKCOM#62)

Merge pull request VKCOM#48 from VKCOM/add-pyx-manifest

Added yttm.pyx to manifest.in

Merge pull request VKCOM#46 from VKCOM/fix_ci

Add Cython to Travis

Merge pull request VKCOM#36 from VKCOM/v1.0.3

Bump version to v1.0.3

Replace size_t on uint64_t

Merge pull request VKCOM#31 from VKCOM/fix_ci

Remove only on master CI build