Initial Dev File
Start of a Package

Start of a package. Has regcombo-class and the comboreg function, which
will become fitBMA
building fitBMA

Will now start building fitBMA
Working on FitBMA

Can now calculate BMk for each model. Need to calculate odds for each
now.
Clean Up
Fixing things up

Something's wrong with comboreg, so I moved it out of the package file
so that the package will work.
Fixed an error in FitBMA

Still need expected values and probabilities that coefs are non-zero
Play code for expected vals

Wrote play code for the expected values. Need to make it work for each
coef value. Stopping for today. Will come back in second block tomorrow
or Friday for remaining 5 hours.