Working on Tally Strings

Working on tally strings. I might want to use a dict of tallies, or
maybe need to write a dictionary / list to hold all of the cells
created.
Complicated Tallies

Trying to use a complicated tally string generator with a dictionary and
various options.  I think I am just gonna hard code the jerk in.
Working MCNPX model

A working mcnpx model.  The tallies were hard coded for the options, and
is a little messy / not extenable.