Set outseg=999999 to 0 if outseg should really be the outlet of the model

Also some garbage collection, removing old versions of files not currently in use

Finally, made another attempt at resolving circular routing -- possible this is superfluous though.
See block around line 798-811 in SFR_classes.py
Merge pull request #63 from mnfienen/classy

Set outseg=999999 to 0 if outseg should really be the outlet of the mode...