Fix vulnerabilities, run browser tests

package.json

@@ -29,31 +29,27 @@
   "dependencies": {},
   "devDependencies": {
     "benchmark": "^2.1.1",
-    "browserify": "^14.4.0",
+    "browserify": "^16.5.0",
     "check-compose": "^5.0.0",
     "eslint": "^6.4.0",
     "gzip-size-cli": "^2.1.0",
-    "lodash": "^4.16.1",
+    "lodash": "^4.17.15",
     "mkdirp": "^0.5.1",
     "nyc": "^14.1.1",
     "require-all": "^2.2.0",
-    "rimraf": "^2.3.4",
     "tape": "^4.2.2",
-    "uglify-js": "^2.8.29",
-    "watch": "^1.0.1"
+    "uglify-js": "^2.8.29"
   },
   "scripts": {
     "cov": "nyc npm run test",
     "pretest": "npm run build",
     "test": "node test",
     "posttest": "node test/benchmark",
-    "browsertest": "mkdirp ./dist/ && browserify ./test/index.js -t [ babelify --presets [ env ] ] > dist/test_bundle.js && cp ./test/index.html ./dist/ && open ./dist/index.html",
-    "clean": "rimraf dist/*",
+    "browsertest": "mkdirp ./dist/ && browserify ./test/index.js > dist/test_bundle.js && cp ./test/index.html ./dist/ && open ./dist/index.html",
     "lint": "eslint ./src/ ./test/",
-    "prebuild": "npm run clean",
+    "prebuild": "rm -rf ./dist/*",
     "build": "npm run minify",
     "check": "npm run test && npm run lint",
-    "watch": "watch 'clear && npm -s test' test/ src/",
     "minify": "mkdirp ./dist/ && uglifyjs src/stampit.js -c collapse_vars,evaluate=false,screw_ie8,unsafe,loops=false,keep_fargs=false,pure_getters,unused,dead_code,keep_fnames=[\"'stampit','Stamp'\"] -m --reserved stampit,Stamp -o dist/stampit.min.js",
     "preversion": "npm run check",
     "postversion": "V=`node -e \"process.stdout.write(require('./package.json').version)\"` && sed s/VERSION/$V/g dist/stampit.min.js > dist/tmp && rm dist/stampit.min.js && mv dist/tmp dist/stampit.min.js",