diff --git a/CHANGELOG.md b/CHANGELOG.md
new file mode 100644
index 0000000..f5f0c26
--- /dev/null
+++ b/CHANGELOG.md
@@ -0,0 +1,24 @@
+# Changelog
+
+All notable changes to this project will be documented in this file.
+
+<!-- marker -->
+## [v2.3.4](https://github.com/tembo-pages/tembo-core/commits/v2.3.4) - 2022-01-03
+<small>[Compare with 2.3.3](https://github.com/dtomlinson91/panaetius/compare/2.3.3..v2.3.4)</small>
+
+### Documentation
+
+- Update README.md with script boilerplate ([179007](https://github.com/tembo-pages/tembo-core/commit/1790071741207de13330ba75d7bf090106290d72))
+- Update README.md with script quickstart logging ([e6cfde](https://github.com/tembo-pages/tembo-core/commit/e6cfded87dcfc5d2bf62d36bc7b4dbbdeb94b0b8))
+
+### Features
+
+- Add ability to retrieve keys 3 levels deep ([f5ea19](https://github.com/tembo-pages/tembo-core/commit/f5ea19e7d2f977244594b378c6b7633f02f6048a))
+
+### Testing
+
+- Add tests for f5ea19e ([156af4](https://github.com/tembo-pages/tembo-core/commit/156af4685510bac97a850b83d63f8337635db199))
+
+### Build
+
+- Update dependencies ([9bc89f](https://github.com/tembo-pages/tembo-core/commit/9bc89fd2ce9ddf8dcd6a3ca84ef9b72ee183efd3))
diff --git a/panaetius/_version.py b/panaetius/_version.py
index f818878..bf2bcdc 100644
--- a/panaetius/_version.py
+++ b/panaetius/_version.py
@@ -1,3 +1,3 @@
 """Module containing the version of panaetius."""
 
-__version__ = "2.3.3"
+__version__ = "2.3.4"
diff --git a/pyproject.toml b/pyproject.toml
index 9442463..7ea345c 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "panaetius"
-version = "2.3.3"
+version = "2.3.4"
 description = "Python module to gracefully handle a .config file/environment variables for scripts, with built in masking for sensitive options. Provides a Splunk friendly formatted logger instance."
 license = "MIT"
 authors = ["dtomlinson <dtomlinson@panaetius.co.uk>"]
diff --git a/setup.py b/setup.py
index 774cd9e..75f100a 100644
--- a/setup.py
+++ b/setup.py
@@ -12,9 +12,9 @@ install_requires = \
 
 setup_kwargs = {
     'name': 'panaetius',
-    'version': '2.3.3',
+    'version': '2.3.4',
     'description': 'Python module to gracefully handle a .config file/environment variables for scripts, with built in masking for sensitive options. Provides a Splunk friendly formatted logger instance.',
-    'long_description': '# Panaetius\n\nThis package provides:\n\n- Functionality to read user variables from a `config.yml` or environment variables.\n- A convenient default logging formatter printing `json` that can save to disk and rotate.\n- Utility functions.\n\n## Config\n\n### options\n\n#### skip_header_init\n\nIf `skip_header_init=True` then the `config_path` will not use the `header_variable` as the\nsub-directory in the `config_path`.\n\nE.g\n\n`CONFIG = panaetius.Config("tembo", "~/tembo/.config", skip_header_init=True)`\n\nWill look in `~/tembo/config/config.yml`.\n\nIf `skip_header_init=False` then would look in `~/tembo/config/tembo/config.yml`.\n\n### Module\n\nConvenient to place in a package/sub-package `__init__.py`.\n\nSee Tembo for an example: <https://github.com/tembo-pages/tembo-core/blob/main/tembo/cli/__init__.py>\n\nExample snippet to use in a module:\n\n```python\n"""Subpackage that contains the CLI application."""\n\nimport os\nfrom typing import Any\n\nimport panaetius\nfrom panaetius.exceptions import LoggingDirectoryDoesNotExistException\n\n\nif (config_path := os.environ.get("TEMBO_CONFIG")) is not None:\n    CONFIG: Any = panaetius.Config("tembo", config_path, skip_header_init=True)\nelse:\n    CONFIG = panaetius.Config(\n        "tembo", "~/tembo/.config", skip_header_init=True\n    )\n\n\npanaetius.set_config(CONFIG, "base_path", "~/tembo")\npanaetius.set_config(CONFIG, "template_path", "~/tembo/.templates")\npanaetius.set_config(CONFIG, "scopes", {})\npanaetius.set_config(CONFIG, "logging.level", "DEBUG")\npanaetius.set_config(CONFIG, "logging.path")\n\ntry:\n    logger = panaetius.set_logger(\n        CONFIG, panaetius.SimpleLogger(logging_level=CONFIG.logging_level)\n    )\nexcept LoggingDirectoryDoesNotExistException:\n    _LOGGING_PATH = CONFIG.logging_path\n    CONFIG.logging_path = ""\n    logger = panaetius.set_logger(\n        CONFIG, panaetius.SimpleLogger(logging_level=CONFIG.logging_level)\n    )\n    logger.warning("Logging directory %s does not exist", _LOGGING_PATH)\n\n```\n\nThis means in `./tembo/cli/cli.py` you can\n\n```python\nimport tembo.cli\n\n# access the CONFIG instance + variables from the config.yml\ntembo.cli.CONFIG\n```\n\n\n## Utility Functions\n\n### Squasher\n\nSquashes a json object or Python dictionary into a single level dictionary.\n',
+    'long_description': '# Panaetius\n\nThis package provides:\n\n- Functionality to read user variables from a `config.yml` or environment variables.\n- A convenient default logging formatter printing `json` that can save to disk and rotate.\n- Utility functions.\n\n## Config\n\n### options\n\n#### skip_header_init\n\nIf `skip_header_init=True` then the `config_path` will not use the `header_variable` as the\nsub-directory in the `config_path`.\n\nE.g\n\n`CONFIG = panaetius.Config("tembo", "~/tembo/.config", skip_header_init=True)`\n\nWill look in `~/tembo/config/config.yml`.\n\nIf `skip_header_init=False` then would look in `~/tembo/config/tembo/config.yml`.\n\n### Module\n\nConvenient to place in a package/sub-package `__init__.py`.\n\nSee Tembo for an example: <https://github.com/tembo-pages/tembo-core/blob/main/tembo/cli/__init__.py>\n\nExample snippet to use in a module:\n\n```python\n"""Subpackage that contains the CLI application."""\n\nimport os\nfrom typing import Any\n\nimport panaetius\nfrom panaetius.exceptions import LoggingDirectoryDoesNotExistException\n\n\nif (config_path := os.environ.get("TEMBO_CONFIG")) is not None:\n    CONFIG: Any = panaetius.Config("tembo", config_path, skip_header_init=True)\nelse:\n    CONFIG = panaetius.Config(\n        "tembo", "~/tembo/.config", skip_header_init=True\n    )\n\n\npanaetius.set_config(CONFIG, "base_path", "~/tembo")\npanaetius.set_config(CONFIG, "template_path", "~/tembo/.templates")\npanaetius.set_config(CONFIG, "scopes", {})\npanaetius.set_config(CONFIG, "logging.level", "DEBUG")\npanaetius.set_config(CONFIG, "logging.path")\n\ntry:\n    logger = panaetius.set_logger(\n        CONFIG, panaetius.SimpleLogger(logging_level=CONFIG.logging_level)\n    )\nexcept LoggingDirectoryDoesNotExistException:\n    _LOGGING_PATH = CONFIG.logging_path\n    CONFIG.logging_path = ""\n    logger = panaetius.set_logger(\n        CONFIG, panaetius.SimpleLogger(logging_level=CONFIG.logging_level)\n    )\n    logger.warning("Logging directory %s does not exist", _LOGGING_PATH)\n\n```\n\nThis means in `./tembo/cli/cli.py` you can\n\n```python\nimport tembo.cli\n\n# access the CONFIG instance + variables from the config.yml\ntembo.cli.CONFIG\n```\n\n### Script\n\nCreate `./config/config.yml` in the same directory as the script.\n\nIn the script initialise a `CONFIG` object:\n\n```python\nimport pathlib\n\nimport panaetius\n\nCONFIG = panaetius.Config(\n    "teenagers_scraper", str(pathlib.Path(__file__).parents[0] / ".config"), skip_header_init=True\n)\n```\n\nSet variables in the same way as the module above.\n\n#### quickstart logging\n\n```python\nimport panaetius\n\n\ndef get_logger():\n    logging_dir = pathlib.Path(__file__).parents[0] / "logs"\n    logging_dir.mkdir(parents=True, exist_ok=True)\n\n    CONFIG = panaetius.Config("training_data_into_gcp", skip_header_init=True)\n    panaetius.set_config(CONFIG, "logging.level", "DEBUG")\n    panaetius.set_config(CONFIG, "logging.path", logging_dir)\n    return panaetius.set_logger(CONFIG, panaetius.SimpleLogger(logging_level=CONFIG.logging_level))\n```\n\n## Utility Functions\n\n### Squasher\n\nSquashes a json object or Python dictionary into a single level dictionary.\n',
     'author': 'dtomlinson',
     'author_email': 'dtomlinson@panaetius.co.uk',
     'maintainer': None,