Sdd addRevocably(...) and move declareNamespace(...) into separate module.
Cleanups.
Redesign parameter check internals.

Object, Type, Void: add "_check(...)" function for checking parameter constraints.
Compiler, RuntimeInternals: replace I_CHECK_TYPE instruction by ordinary function call of "_check(...)" function.
Consts: add IDENTIFIER_fn_checkConstraint.
Add parameter check for Traits.
Add missing Trait.escript-
Add Std/enum.