pint.Quantityto set both magnitude and units in generated data (PR #76).
strip_par_data()also removes the set element for which data is being stripped (PR #76).
iam_units.registryis the default unit registry even when
message_datais not installed (PR #76).
Bump minimum required version of
message_ixto v3.4.0 from v3.2.0 (PR #71).
Add new logo the documentation (PR #68).
Improve caching using mod:genno v1.8.0 (PR #29).
Update node codelists to ensure they contain both current and former ISO 3166 codes for countries that have changed status (PR #6:). For instance, ANT dissolved into BES, CUW, and SXM in 2010; all four are included in R11_LAM so this list can be used to handle data from either before or after 2010.