browserify before transpile, one builded target better than nothing

package.json

@@ -13,7 +13,7 @@
   },
   "readme": "README.md",
   "scripts": {
-    "build": "npm run export-exchanges && npm run vss && npm run check-js-syntax && npm run transpile && npm run qa && npm run pandoc-all && npm run update-badges && npm run browserify",
+    "build": "npm run export-exchanges && npm run vss && npm run check-js-syntax && npm run browserify && npm run transpile && npm run qa && npm run pandoc-all && npm run update-badges",
     "test": "npm run build && node run-tests",
     "fast-test": "node run-tests --js",
     "test-base": "npm run test-js-base && npm run test-python-base && npm run test-php-base",
@@ -30,7 +30,7 @@
     "check-js-syntax": "eslint 'js/*.js'",
     "check-python-syntax": "cd python && tox -e qa && cd ..",
     "check-php-syntax": "php -f php/test/syntax.php",
-    "browserify": "browserify --debug ./ccxt.browser.js > ./build/ccxt.browser.js",
+    "browserify": "browserify ./ccxt.browser.js > ./build/ccxt.browser.js && browserify --debug ./ccxt.browser.debug.js > ./build/ccxt.browser.debug.js",
     "pandoc-all": "npm run pandoc-python-readme && npm run pandoc-doc-readme && npm run pandoc-doc-faq && npm run pandoc-doc-manual && npm run pandoc-doc-install && npm run pandoc-doc-exchanges && npm run pandoc-doc-exchanges-by-country",
     "pandoc-python-readme": "pandoc --wrap=preserve --columns=10000 --from=markdown --to=rst --output=python/README.rst README.md",
     "pandoc-doc-readme": "pandoc --wrap=preserve --columns=10000 --from=markdown --to=rst --output=doc/README.rst README.md",