+++++++++++++++++++++++++
New features
* Add dynamic h0 profile calculation
(The implementation is not optimised for performance.
Thus, it is not used by default.)
Bug fixes
* Fix improper use of pandas.dataframe.merge
(demandlib will now work with pandas>=1.2)
Other changes
* Update deprecated pd.datetime to datetime.datetime
* Add (integration) tests and coverage as CI
* Split BDEW profile generation into submodules