* Some callbacks in watchUtilities werent being strictly checked due to the structural fallback
* Add direct dependeny on ms since mocha removed its impl
* Manually init stats collection on base runner like mocha.run now does
* Optimize sourcemap application more
* Remove test-only memory hog sourceMapDecodedMappings field
* Update for style, remove unused function that triggers warnings in node 10
* Avoid all raw buffer constructor calls
* Small TDZ fix