Add a couple prims, fix string->symbol.
Add a couple prims, fix string->symbol.

cderici/pycket,vishesh/pycket,krono/pycket,magnusmorton/pycket,samth/pycket,vishesh/pycket,krono/pycket,magnusmorton/pycket,pycket/pycket,samth/pycket,cderici/pycket,vishesh/pycket,cderici/pycket,samth/pycket,pycket/pycket,magnusmorton/pycket,pycket/pycket,krono/pycket