Fix bug encoding non-unicode strings
Fix bug encoding non-unicode strings

This lets it just save the ascii strings, which seems to work.

johnmcdonnell/psiTurk,pfeyz/psiTurk,suchow/psiTurk,kachergis/psiTurk,mshvartsman/psiTurk,johnmcdonnell/psiTurk,rbtrace/psiTurk,pfeyz/psiTurk,kachergis/psiTurk,suchow/psiTurk,berkeley-cocosci/psiTurk,suchow/psiTurk,berkeley-cocosci/psiTurk,andyh616/psiTurk,andyh616/psiTurk,rbtrace/psiTurk,mshvartsman/psiTurk,mshvartsman/psiTurk,NYUCCL/psiTurk,pfeyz/psiTurk,michaelpacer/psiTurk,kachergis/psiTurk,NYUCCL/psiTurk,andyh616/psiTurk,rbtrace/psiTurk,michaelpacer/psiTurk,michaelpacer/psiTurk,NYUCCL/psiTurk,johnmcdonnell/psiTurk,berkeley-cocosci/psiTurk