diff --git a/.travis.yml b/.travis.yml
index e8b3279..07b80a8 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,6 +1,12 @@
 language: go
 
 go:
+  - 1.5.x
+  - 1.6.x
+  - 1.7.x
+  - 1.8.x
+  - 1.9.x
+  - 1.10.x
   - 1.11.x
   - tip
 
diff --git a/README.md b/README.md
index a3bcd1a..96aec71 100644
--- a/README.md
+++ b/README.md
@@ -12,6 +12,7 @@ Geziyor is a blazing fast web crawling and web scraping framework. It can be use
 - Limit Concurrency (Global/Per Domain)
 - Request Delays (Constant/Randomized)
 - Automatic response decoding to UTF-8
+- Middlewares
 
 See scraper [Options](https://godoc.org/github.com/geziyor/geziyor#Options) for all custom settings. 
 
@@ -43,7 +44,7 @@ func main() {
 
 func quotesParse(r *geziyor.Response) {
     r.DocHTML.Find("div.quote").Each(func(i int, s *goquery.Selection) {
-        r.Exports <- map[string]interface{}{
+        r.Geziyor.Exports <- map[string]interface{}{
             "text":   s.Find("span.text").Text(),
             "author": s.Find("small.author").Text(),
         }
diff --git a/exporter/csv.go b/exporter/csv.go
index 869ef2c..fb4b439 100644
--- a/exporter/csv.go
+++ b/exporter/csv.go
@@ -14,7 +14,6 @@ type CSVExporter struct {
 	FileName string
 
 	once   sync.Once
-	mut    sync.Mutex
 	writer *csv.Writer
 }
 
diff --git a/exporter/json.go b/exporter/json.go
index 041c2e1..ff41eca 100644
--- a/exporter/json.go
+++ b/exporter/json.go
@@ -14,7 +14,6 @@ type JSONExporter struct {
 	EscapeHTML bool
 
 	once    sync.Once
-	mut     sync.Mutex
 	encoder *json.Encoder
 }