v1.1.0a0

Moving from development release to alpha testing release, the version brings the additional new features and/or enhancements for
the module:

• 🎉 Added pdw.wrappers module housing useful decorators,
• 🛠️ (#7) For legacy/np < 1.22 try to return the aggregated value using "interpolation" attribute.
• 🎉📃 Basic code documentation is now available, hosted using readthedocs/pandas-wizard