Cleaning up a mess from trying to do a commit with message.

Major commit. Mostly lots of cleaning up, but also found that

mixedmode_compete() is having similar issues to what closestfare_compete()
was having with Agents being on the same vertex, etc.  But the big news is
that this thing is *so* close.

Big commit. The simulation is working with graph data for the first t…

…ime!

...

self.G.neighbors(fr) => [(-148889574, 63385831), (-148715325, 63335422), (-149017565, 63333637)]
self.G.neighbors(to) => [(-148747407, 63335824), (-148752791, 63376683), (-148502867, 63333682)]

Name:              please work ...
Type:              XGraph
Number of nodes:   1936
Number of edges:   2342
Average degree:    2.4194
Writing generated\images\TGR02068.png ... done

networkx.path.shortest_path: [(-149120663, 64286071), (-149085477, 64294082)]

Fuck it.

I am so sick and tired of trying to figure out how to use the Decimal class
with NetworkX.  I can't seem to get the damn things converted to floats with
exactly 6 decimal places of precision.  I may look at doing approximate
matches, but for now I'm done.

Removed tag ..\tags\unified_0.62

Added some randomness to the yield with renege.

Removed tag unified_0.1