Improve code quality and write tests

node_modules/urlgrey/Makefile

@@ -0,0 +1,43 @@
+REPORTER = spec
+
+lint:
+	./node_modules/.bin/jshint ./test ./index.js ./util.js
+
+browser-test:
+	$(MAKE) browser-build
+	gnome-open test.html
+
+browser-build-min:
+	@rm -f urlgrey.min.js
+	@./node_modules/.bin/browserify index.js \
+		-s urlgrey | \
+	./node_modules/.bin/uglifyjs > urlgrey.min.js
+
+browser-build:
+	@rm -f urlgrey.js
+	@./node_modules/.bin/browserify index.js \
+		-s urlgrey > urlgrey.js
+
+precommit:
+	$(MAKE) test
+	$(MAKE) browser-build
+	$(MAKE) browser-build-min
+	echo "Artifacts built!"
+
+test:
+	$(MAKE) lint
+	@NODE_ENV=test ./node_modules/.bin/mocha -b --reporter $(REPORTER)
+
+test-cov:
+	$(MAKE) lint
+	@NODE_ENV=test ./node_modules/.bin/istanbul cover \
+	./node_modules/mocha/bin/_mocha -- -R spec
+
+test-coveralls:
+	echo TRAVIS_JOB_ID $(TRAVIS_JOB_ID)
+	$(MAKE) test
+	@NODE_ENV=test ./node_modules/.bin/istanbul cover \
+	./node_modules/mocha/bin/_mocha --report lcovonly -- -R spec && \
+		cat ./coverage/lcov.info | ./node_modules/coveralls/bin/coveralls.js || true
+
+.PHONY: test