Added snippets and block-to-method to changelog.
Added snippets and block-to-method to changelog.

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