- compare def imp for generics
- foldExpr
- type synonym expansion

Fix bug with arity checks;
Fix bug with unification with universal quantors.

The fix is to not use the index and table of type code constructors,.
The indices and tables should be cleaned up later.

bug fix for loop with unsigned int

better check for properties of abstract types,
check for linearity of instance types,
uniqueness bug for type synonyms,
kind check for function (arrow) types

types with lhs uniqueness attribute

type definitions

TC; types only when compiling for dynamics

to record constructor only for records with existential
variables, fix line numbers in case expressions generated
from guards

members specified" error, prevent crash when constructors or
members are defined more than once in the dcl module only

fix bug in line numbers of \ expressions,
fix bug in attribute variables of .a .b result types

clean-up and renamed functions from StdDynamic