parsing and compiling assignments
added some doctests
added $ to stdlib; fixed ?{} w/ empty else clause
added dollar constants to stdlib
parser support for @{}
made helpers module available to compiled code
compiler and runtime support for lambdas
parser fix and test for pattern-less clauses
more tests for lambda
Fix copying compiled JS files required by web interface
Add Underscore.js
Refactoring of compiler code
Further fixes and cleanup of compiler code
Refactoring and fixes for stdlib
Failing doc tests should cause test phase failure
block strings look a little better with indent

...and still compile the same
REPL results are custom-rendered, not JSONized

This was motivated by the fact that JSON.stringify(function () {})
returns "undefined".
command-line interface
compiler support for local within conditional

i.e. "++" inside "?{}"
prettier tokenization dump in web REPL