Gtoast

Results 3 issues of Gtoast

### Issue: The first cell of The Snake example fails to evaluate. It gives the error that above "Can't position non-shapes" though its seems like they should be shapes. ###...

bug
curriculum
shapes

In Hylang Test.ipynb: ```console In [31]: (defn optional-arg [pos1 pos2 &optional keyword1 [keyword2 42]] [pos1 pos2 keyword1 keyword2]) ... In [32]: (setv args [1 2]) (setv kwargs {"keyword2" 3 "keyword1"...

In the part of the spec that illustrates multi-level lists the rendered example list aren't displayed as `'s` and aren't nested. See the part the spec that has the list...