I can collect return values

README.md

@@ -36,6 +36,9 @@ occurs.
 Here is an example using the `Observable` module:
 
 ```python
+from myutils.observable import make_observable, bind
+
+
 class Demo:
   def __init__(self):
     self.number = 1
@@ -121,6 +124,7 @@ MyUtils
 ## Contributing
 
 If you'd like to contribute:
+
 1. Fork the repository.
 2. Create a feature branch (`git checkout -b feature/your-feature`).
 3. Commit your changes (`git commit -m "Add some feature"`).
@@ -138,6 +142,7 @@ This project is licensed under the MIT License. See the [LICENSE](LICENSE) file
 ## Maintainers
 
 For any inquiries or support, feel free to contact the maintainer:
+
 - **Name**: [Your Name Here]
 - **Email**: [your-email@example.com]
 - **GitHub**: [Your GitHub Profile](https://github.com/your-profile)
@@ -146,4 +151,9 @@ For any inquiries or support, feel free to contact the maintainer:
 
 ## Acknowledgments
 
-Special thanks to the Python and open-source community for their tools, inspiration, and support.
+Special thanks to the Python and open-source community for their tools, inspiration, and support.
+
+## Release History
+
+* 0.1.0 : Initial release
+* 0.2.0 : Observable results can be collected using `collect_return_values`