update version

Author: ayushr2

setup.py

@@ -18,7 +18,7 @@
     name="chainlink",  # Required
     # Versions should comply with PEP 440:
     # https://www.python.org/dev/peps/pep-0440/
-    version="0.0.3",  # Required
+    version="0.0.4",  # Required
     # This is a one-line description or tagline of what your project does. This
     # corresponds to the "Summary" metadata field:
     # https://packaging.python.org/specifications/core-metadata/#summary