for simplicity, use list instead of deque
for simplicity, use list instead of deque

This can be changed in the future if performance becomes an issue

Purg/SMQTK,kfieldho/SMQTK,Purg/SMQTK,kfieldho/SMQTK,Purg/SMQTK,Purg/SMQTK,kfieldho/SMQTK,kfieldho/SMQTK,kfieldho/SMQTK,kfieldho/SMQTK,kfieldho/SMQTK,kfieldho/SMQTK,kfieldho/SMQTK,Purg/SMQTK,Purg/SMQTK,Purg/SMQTK,Purg/SMQTK,Purg/SMQTK