Make many scripts in src/utils Python 3 compatible.
don't resample ptable xs if diff temperature but same E
set last prn of a nuclide whenever a prn is needed
Merge remote-tracking branch 'mitcrpgopenmc/develop' into ptable-resample
Merge remote-tracking branch 'mit-crpg/openmc/develop' into ptable-resample
Added particle restart case for fixed_source runs
Fixed the fixed_source seed and updated the tests
Merge branch 'develop' into restart_fixed
Corrected tests for fixed_source particle restarts
Merge remote-tracking branch 'mit-crpg/openmc/develop' into ptable-resample
Merge remote-tracking branch 'openmc/ptable-resample' into ptable-resample
fixed comment that was over 80 characters
check for void material to avoid out of bounds
removed vestigial check, variable
Merge branch 'develop' into python3
Make many Python utilities compatible with Python3.
Removed build_dependencies.py since CMake determines dependencies.
Removed split_nuclide.py since there is full support for specifying natural
elements in a material.
Make run_tests.py script Python3 compatible.
Merge branch 'develop' into python3