Merge pull request #66 from NREL/never_drop_duplicate_plexos_year

Ensures PLEXOS year duplicate values arent dropped

Merge pull request #35 from NREL/hotfix

HOT FIX: missing "else"

update tag version

update https clone command

Merge pull request #139 from PCM/thermal_gen_cat_fix

Thermal gen cat fix

mconfig settings used for set_plot_timeseries_format

- set_plot_timeseries_format was using hardcoded values, now using
mconfig data so user canb adjust