v0.4.0

ConstraintDomains v0.4.0

Diff since v0.3.15

Breaking: Some exploration API (most packages should be fine, though)

Merged pull requests:

• Merge pull request #67 from JuliaConstraints/dev (#68) (@Azzaare)
• Target a slowdown in exploration performances (#70) (@Azzaare)
• New breaking release (#71) (@Azzaare)

Closed issues:

• ColPrac (#42)
• PkgEval (#43)
• Interface for JuMP introduced some regression (#69)