Added a cache on the GSIM for the probabilities of no exceedence in the classical calculator
Merge pull request #1421 from gem/distinct-gsim

Added a cache on the GSIMs for the probabilities of no exceedence in the classical calculator
Changed the order of the statements in 01-remove-cnode_stats.sql
Merge pull request #1422 from gem/fix-upgrade-script-20

Changed the order of the statements in 01-remove-cnode_stats.sql
Avoid returning duplicated data
Removed im_dict_to_hazardlib
Added a docstring, a comment and improved logging
Merge pull request #1423 from gem/save-memory

Avoid returning duplicated data in the classical calculator
Merge pull request #1420 from gem/run-calc

Changed the _do_run_calc signature
Merge branch 'master' into getter-builder