v2.1.2
wait-on@2.1.2 is last version to support Node.js v4.
Reverted recent updates which dropped support for Node v4.
updated travis CI to test with Node.js v4, 6, 8, 10, and latest
Moving these previous breaking updates to major release v3.
wait-on@2.1.2 is last version to support Node.js v4.
Reverted recent updates which dropped support for Node v4.
updated travis CI to test with Node.js v4, 6, 8, 10, and latest
Moving these previous breaking updates to major release v3.