Added -coverpkg to correct code coverage.

.travis.yml

@@ -41,7 +41,7 @@ script:
       echo "" > coverage.txt
 
       for d in $(go list ./... | grep -v vendor); do
-          go test -race -coverprofile=profile.out -covermode=atomic $d
+          go test -race -coverprofile=profile.out -coverpkg -covermode=atomic $d
           if [ -f profile.out ]; then
               cat profile.out >> coverage.txt
               rm profile.out