amberc.js: set RethrowErrorHandler before compilation
amberc.js: set RethrowErrorHandler before compilation

adrian-castravete/amber,amber-smalltalk/amber,adrian-castravete/amber,matthias-springer/amber-athens,adrian-castravete/amber,amber-smalltalk/amber,matthias-springer/amber-athens,matthias-springer/amber-athens,amber-smalltalk/amber