Fix zero LJ sigma parameters#132

Merged

chryswoods merged 2 commits intodevelfrom fix_constraints

Dec 4, 2023

+201-111

Commits on Dec 1, 2023

I've made sure that sigma is not set to 0 for any LJ parameters or exceptions.
chryswoods
committed

Commits on Dec 2, 2023

Fixed platform issue that caused test failure on GH MacOS runner
chryswoods
committed