fixed #193; made `super` work in dynamically named methods
fixed #195
fixed `` `a` = while b => c `` etc.
ast: @ref <- @pipe
gave `|>` a lower precedence and an ability to take block to the right (#179, #197)
addressed gkz/livescript#231, allowing coco/coon etc. as the file extension on the way
made `|>` close inline implicit objects (#197)
closes #151; implemented if-block
safened cross-scope use of references
made stray literal errors balder
ref <- reference
implemented _lef_ (left-hand-side reference) as `<>` (#180)
fixed `that if a?` etc.
optimized `if f() ? g()` etc.
deoptimized `a = delete b.c` (gkz/LiveScript#273)
made JS literal escape like Markdown (jashkenas/coffee-script#1504)
closes #198; quit reusing temporaries
fixed `[<>] * 2` etc.
optimized complex assigned loops
fixed the return value of loop-else when empty