Release - v0.4.0 – Software Heritage archive

Release v0.4.0 created by github-actions[bot] on 25 April 2020, 22:04:48 UTC

## Tulip v0.4.0
[Diff since v0.3.0](https://github.com/ds4dm/Tulip.jl/compare/v0.3.0...v0.4.0)



**Merged pull requests:**
- Re-write core data structures and interface (#44) (@mtanneau)
- Presolve (#45) (@mtanneau)
- Remove UnitBlockAngular code (#46) (@mtanneau)

Target: 47169c8a598ec20a7cbe4e1952c0f23e6a9139d1
Directory: e8802ceeed660c2a70bf4764094b8c161c788230