rewrite GRSpec eval_init to return a compiled python expression
rewrite GRSpec eval_init to return a compiled python expression

to be used for evaluating the initial condition on a large number of states.
This approach has been selected as the fastest one after timing a number of alternatives with a script that will be added later.
necozay/tulip-control,necozay/tulip-control,necozay/tulip-control,necozay/tulip-control,necozay/tulip-control,tulip-control/tulip-control,tulip-control/tulip-control,tulip-control/tulip-control,tulip-control/tulip-control