Upgrade gulp to 4.0.2 mocha to 8 lodash to 4.17#9

alexp1917 wants to merge 3 commits intosebv:mastersebv/spawn-mocha-parallel:masterfrom

alexp1917:upgrade_gulp4.0.2_mocha8_lodash4.17alexp1917/spawn-mocha-parallel:upgrade_gulp4.0.2_mocha8_lodash4.17Copy head branch name to clipboard