New branch with code updated with all code review comments incorporated.
Missed a couple of changes in the prior commit.
Merge remote branch 'upstream/master' into wfp_eng_wfp_sio_mule_dev
Update to use PARTICLE_CLASSES_DICT enum.
Merge remote branch 'upstream/master' into wfp_eng_wfp_sio_mule_dev
Merge pull request #237 from mcworden/wfp_eng_wfp_sio_mule_dev

Wfp eng wfp sio mule dev