Merge pull request #27 from labichn/master

A CESK machine-style evaluator for LambdaS5
with non-enum props fix
Merge branch 'master' of github.com:brownplt/LambdaS5
just desugar s5 code
Update initSESPlus.js to latest version. Add tracing to set-attr error msg.
initial aval commit
Merge remote-tracking branch 'upstream/master'
CESK -> CESHK
- explicated states
- separated handlers from continuations
- apply as a state
No need for these weird state/closure hybrids.