Update
1. **Version updates**: The `requirements.txt` file has been updated to reflect new versions of dependencies:
* `crypto-ws-api` was updated from version 2.0.17 to 2.0.18.
2. **Account information handling**:
* In the `exchanges_wrapper` module, specifically in the `account_information` function (in multiple files), there
are minor changes related to handling account balance data.
These changes likely fix issues with formatting or parsing of balance data.
3. **Logger usage**: The use of a logger has been introduced in some places.
4. **Docstrings**: Some docstrings have been added or updated to provide better documentation for the functions.
The overall changes seem to be related to maintenance tasks, such as updating dependencies and fixing minor issues
with data handling. There are no major new features or functionality additions in this diff output.