diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..5b3034f
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,107 @@
+
+# Created by https://www.gitignore.io/api/python
+
+### Python ###
+# Byte-compiled / optimized / DLL files
+__pycache__/
+*.py[cod]
+*$py.class
+
+# C extensions
+*.so
+
+# Distribution / packaging
+.Python
+build/
+develop-eggs/
+dist/
+downloads/
+eggs/
+.eggs/
+lib/
+lib64/
+parts/
+sdist/
+var/
+wheels/
+*.egg-info/
+.installed.cfg
+*.egg
+
+# PyInstaller
+#  Usually these files are written by a python script from a template
+#  before PyInstaller builds the exe, so as to inject date/other infos into it.
+*.manifest
+*.spec
+
+# Installer logs
+pip-log.txt
+pip-delete-this-directory.txt
+
+# Unit test / coverage reports
+htmlcov/
+.tox/
+.coverage
+.coverage.*
+.cache
+nosetests.xml
+coverage.xml
+*.cover
+.hypothesis/
+
+# Translations
+*.mo
+*.pot
+
+# Django stuff:
+*.log
+local_settings.py
+
+# Flask stuff:
+instance/
+.webassets-cache
+
+# Scrapy stuff:
+.scrapy
+
+# Sphinx documentation
+docs/_build/
+
+# PyBuilder
+target/
+
+# Jupyter Notebook
+.ipynb_checkpoints
+
+# pyenv
+.python-version
+
+# celery beat schedule file
+celerybeat-schedule
+
+# SageMath parsed files
+*.sage.py
+
+# Environments
+.env
+.venv
+env/
+venv/
+ENV/
+env.bak/
+venv.bak/
+
+# Spyder project settings
+.spyderproject
+.spyproject
+
+# Rope project settings
+.ropeproject
+
+# mkdocs documentation
+/site
+
+# mypy
+.mypy_cache/
+
+# End of https://www.gitignore.io/api/python
diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
new file mode 100644
index 0000000..b271016
--- /dev/null
+++ b/CONTRIBUTING.md
@@ -0,0 +1,18 @@
+# Setting up a development environment
+
+To install the code in development ("editable") mode inside a virtual environment:
+
+```bash
+(myenv) $ cd quaternions
+(myenv) $ pip install --editable .[dev]
+```
+
+This will install quaternions, its requirements and the testing dependencies.
+
+To run the tests:
+
+```bash
+(myenv) $ python -m unittest discover tests/
+```
+
+Or, alternatively, use `$ pytest`.
diff --git a/README.md b/README.md
index d937e5c..ad23a90 100644
--- a/README.md
+++ b/README.md
@@ -3,6 +3,12 @@ Quaternions library
 
 This is a library for dealing with quaternions in python in a unified way.
 
+To install it:
+
+```bash
+$ pip install satellogic_quaternions
+```
+
 Examples of code:
 
 ```python
diff --git a/quaternions/__init__.py b/quaternions/__init__.py
index 97b84a8..e1f0da1 100644
--- a/quaternions/__init__.py
+++ b/quaternions/__init__.py
@@ -1 +1,2 @@
 from quaternions.quaternions import Quaternion, QuaternionError  # NOQA
+from quaternions.version import __version__  # NOQA
diff --git a/quaternions/version.py b/quaternions/version.py
new file mode 100644
index 0000000..2b720e5
--- /dev/null
+++ b/quaternions/version.py
@@ -0,0 +1,2 @@
+# https://www.python.org/dev/peps/pep-0440/
+__version__ = '0.1.3.dev0'
diff --git a/setup.py b/setup.py
index b30eb65..0783ff1 100644
--- a/setup.py
+++ b/setup.py
@@ -1,19 +1,27 @@
 #!/usr/bin/env python3
+import os.path
 from setuptools import setup, find_packages
 
 
+# https://packaging.python.org/guides/single-sourcing-package-version/
+version = {}
+with open(os.path.join("quaternions", "version.py")) as fp:
+    exec(fp.read(), version)
+
+
 setup(
-    name='quaternions',
-    version='0.1.3',
+    name='satellogic_quaternions',
+    version=version["__version__"],
     author='Matias Graña',
     author_email='matias@satellogic.com',
-    long_description='This is a library for dealing with quaternions in python in a unified way.',
+    description='This is a library for dealing with quaternions in Python in a unified way.',
+    long_description=open('README.md').read(),
     packages=find_packages(exclude=["tests"]),
     license="GPLv3",
     classifiers=[
-        'Development Status :: 1 - Beta',
+        'Development Status :: 4 - Beta',
         'Environment :: Console',
-        'Intended Audience :: Satellites',
+        'Intended Audience :: Science/Research',
         'Operating System :: OS Independent',
         'Programming Language :: Python',
         'Topic :: Software Development :: Libraries :: Python Modules',
@@ -22,4 +30,9 @@
     install_requires=[
         'numpy',
     ],
+    extras_require={
+        "dev": [
+            "hypothesis",
+        ]
+    }
 )