Moniplot

Fixed unnecessary dependencies

No real need to upgrade to this release

Changes
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* moved away from module collections to module typing
* increased the size of the figures generated with draw_lplot

Fixed
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* Fixed determination of dataset dimensions and coordinates when a HDF5 dataset or netCDF4 variable is stored in an xarray DataArray structure.
* Added description on how the dimensions and coordinates are determined.

New
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* Added sequential color scheme "Incandescent"

Fixed
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* fix case when a dimension scale has length zero
* handle dimensions without coordinates correctly
* netCDF specific attributes (starting with an underscore) should be neglected
* minor bugfixes
* updated the requirements when installing the software