Input sheets are not always free of errors.
When logging warnings or terminating due to errors, we should give an indication in which sheet and row the error/warning occurred, similar to https://github.com/geoo89/rapidpro_abtesting
Rather than manually implementing function parameters, add context to logger, in the vein of this or this
We may also use the context from the logger when exiting on error, through this.
Input sheets are not always free of errors. When logging warnings or terminating due to errors, we should give an indication in which sheet and row the error/warning occurred, similar to https://github.com/geoo89/rapidpro_abtesting