DSSL-4.2

Renamed $consts to $const, removed Iter .sum and .product methods (add to or multiply with element on top of stack using .forEach instead).

DSSL-4.1

Bug fixes, sets and dictionaries respect overloaded == and hash, and new built-in methods.

DSSL-4.0

Added iterators, extensions, generalised member access logic, new keywords, more built-in methods and more built-in modules.

DSSL-3.0

Added macros, inheritance, operator overloading, modules and built-in methods.

DSSL-2.0

Added classes, importing and natives.

DSSL-1.0

Initial build.