v0.1.3

- [Refactor to use git2 crate.](https://github.com//himanoa/mkrepo/pu…

…ll/6)

- [Add `mkrepo.username`](https://github.com//himanoa/mkrepo/pull/4)
- [Run CI for tier 1 `x86_64-` targets](https://github.com//himanoa/mkrepo/pull/3)