Remove duplicates of issues and pull-requests with same number

lib/github_changelog_generator.rb

@@ -80,11 +80,6 @@ class ChangelogGenerator
       log += self.generate_log_for_all_tags
     end
 
-
-    if @options[:verbose]
-      puts log
-    end
-
     log += "\n\n\\* *This changelog was generated by [github_changelog_generator](https://github.com/skywinder/Github-Changelog-Generator)*"
 
     output_filename = "#{@options[:output]}"
@@ -303,6 +298,7 @@ class ChangelogGenerator
     issues_req = @github.issues.list user: @options[:user], repo: @options[:project], state: 'closed', filter: 'all', labels: nil
 
     filtered_issues = issues_req.body.select { |issues|
+      #compare is there any labels from @options[:labels] array
       (issues.labels.map { |issue| issue.name } & @options[:labels]).any?
     }
 
@@ -313,6 +309,11 @@ class ChangelogGenerator
       filtered_issues.concat(issues_wo_labels)
     end
 
+  # remove pull request from issues:
+    filtered_issues.select! { |x|
+      x.pull_request == nil
+    }
+
     if @options[:verbose]
       puts "Receive all closed issues with labels #{@options[:labels]}: #{all_issues.count} issues"
     end