Update version to 0.3.9 (#44)

Author: mxsnq

setup.py

@@ -10,7 +10,7 @@ def read_long_description(file_path):
 
 setup(
     name="scrapy-puppeteer-client",
-    version="0.3.8",
+    version="0.3.9",
     description="A library to use Puppeteer-managed browser in Scrapy spiders",
     long_description=read_long_description("README.md"),
     long_description_content_type="text/markdown",