✨ Release Version 1.1.2 (redcap-tools#132)

* 🌏 Add community maintenance message

* 💄 Format and lint package

* 💄 Style and lint test modules

* 💄 Style docs

* ❌ Deprecate support for Python 2

* ➕ Add pandas as extras_require

* 💄 Style setup.py

* 🏗️ Upgrade project infrastructure

* Add pytest
* Add pylint
* Use pip-tools for dependency management
* Update travis CI versions/commands

* ✏️ Fix formatting for HISTORY.rst

* 📰 Add release notes for 1.1.2

* 🤝 Add Contributing section to README

* ✏️ Add long_description_content_type to setup.py

➕ Increment package version

➕ Bump to version 1.1.0