Fixed js-with
Fixed js-with

WARNING: this involves syntax change

Previously the syntax of with was this:
  (with (object)
    body)

now it's:
  (with object
    body)

It was also broken when 'object' was an expression...

fredericksilva/Parenscript,vsedach/Parenscript,manuel/parenscript,JackDanger/parenscript,3b/parenscript,JackDanger/parenscript,JDReutt/parenscript,JackDanger/parenscript,VincentToups/parenscript