Fix in the callgraph and some documentation
Fix in the callgraph and some documentation

cderici/pycket,samth/pycket,cderici/pycket,magnusmorton/pycket,magnusmorton/pycket,pycket/pycket,cderici/pycket,pycket/pycket,samth/pycket,magnusmorton/pycket,samth/pycket,pycket/pycket