This reduce the dependencies and possible also avoid duplicated versions where some package don't use the same version range for the xtend package.
Object.assign seems to be supported only from Node.js 4+: this PR drops support for Node.js older than v4, which is a breaking change; if this PR is merged, the next release should be 2.0.0.
Note: support for Node.js older than v6 has been discontinued by the Node.js Community since 2018-04-30.
This reduce the dependencies and possible also avoid duplicated versions where some package don't use the same version range for the xtend package.
Object.assign seems to be supported only from Node.js 4+: this PR drops support for Node.js older than v4, which is a breaking change; if this PR is merged, the next release should be
2.0.0
.Note: support for Node.js older than v6 has been discontinued by the Node.js Community since 2018-04-30.
Fixes: #93