julia.eval has replaced julia.run
minimal 'eval' patch to align to pyjulia change

https://github.com/jakebolewski/pyjulia/commit/5557d1a9e48e543c1f818f131980f8e2946352f4
Merge pull request #207 from stonebig/eval_fix

switch from "run" to "eval", as did the pyjulia project