Updated Makefile

Added -race and -cover flag to go testing and seperated go fmt, go vet and go test into seperated makefile targets.

Added a new Makefile target 'webtest' that opens the cover profile in your default browser.

Makefile

@@ -1,8 +1,17 @@
 all: test build
 
-test:
+vet:
 	go vet ./...
-	go test ./...
+
+fmt:
+	go fmt ./...
+
+test: fmt vet
+	go test -race -cover ./...
+
+webtest:
+	go test -coverprofile=output.out
+	go tool cover -html=output.out
 
 apitest:
 	./apitest --stop-on-fail -d test/
@@ -12,7 +21,7 @@ gox:
 	gox ${LDFLAGS} -parallel=4 -output="./bin/apitest_{{.OS}}_{{.Arch}}"
 
 clean:
-	rm -rfv ./apitest ./bin/*
+	rm -rfv ./apitest ./bin/* ./output.out
 
 build:
 	go build