Subset s2dv_cube 'coords' in CST functions

See merge request !56

Change default time_dim to 'time' and correct unit tests

See merge request !55

New Bioclimatic indicators

See merge request !50

Add reference in documentation of MergeRefToExp

See merge request !54

Merge branch 'master' of https://earth.bsc.es/gitlab/es/csindicators into develop-bioclimatic_indicators

Subset Dates consistently within 's2dv_cube' and add 'time_bounds' for period aggregations

See merge request !49

Include publication

See merge request !51

Add memb_dim to MergeRefToExp

See merge request !52

Correct development with only allowing memb_dim and time_dim to be different between data1 and data2; improved documentation; added unit tests

Improved development of MergeRefToExp; improved documentation; added unit tests for the new development

Add in documentation that in result, the Dates correspond to the beginning of the aggregated time period

Add time_bounds in functions that reduce time dimensions ; Add  element; Add checks if dates have dimensions; add tests for this development

Develop new element time_bounds with start and end elements containing the start and end dates of the aggregation for PeriodMean and PeriodAggregation; updated documentation; added tests