fix #127

fixes issue with Status header coming from php-fpm 5.5 different then regular "HTTP/1.1 200 OK".
If server returns  Status code - "200" will be handled properly instead "throwing runtime error: index out of range"

middleware/fastcgi/fcgiclient.go

@@ -375,12 +375,21 @@ func (c *FCGIClient) Request(p map[string]string, req io.Reader) (resp *http.Res
 	resp.Header = http.Header(mimeHeader)
 
 	if resp.Header.Get("Status") != "" {
-		statusParts := strings.SplitN(resp.Header.Get("Status"), " ", 2)
-		resp.StatusCode, err = strconv.Atoi(statusParts[0])
+		
+		// check if Status is long enought to split
+		if strings.Count(resp.Header.Get("Status"), " ") > 0 {
+			statusParts := strings.SplitN(resp.Header.Get("Status"), " ", 2)
+			resp.StatusCode, err = strconv.Atoi(statusParts[0])
+			resp.Status = statusParts[1]
+			resp.Status = statusParts[1]
+		} else {
+			resp.StatusCode, err = strconv.Atoi(resp.Header.Get("Status"))
+		}
+	
 		if err != nil {
 			return
 		}
-		resp.Status = statusParts[1]
+	
 	} else {
 		resp.StatusCode = http.StatusOK
 	}