bump up version

Author: saadmanrafat

setup.py

@@ -6,7 +6,7 @@
 DESCRIPTION: str = "Python Client For Twitter Streaming API v2"
 URL: str = "https://github.com/twitivity/twitter-stream.py"
 REQUIRES_PYTHON: str = ">=3.6.0"
-VERSION = "0.2.0"
+VERSION = "0.4.0"
 REQUIRED = ["requests"]
 EMAIL = "[email protected]"