Change function names: closely reflect names in MiniZinc with preceeding
underscore, e.g., _var
Updated todo list
Added _int, _float, _bool and _set-of-int
Unit tests for _int, _float, _bool and _set-of-int
*mzn-store* now private
Macros for defining operators, like def-unary-operator
Added all unary and binary operators of MiniZinc
Added all MiniZinc functions