Added infrastructure for mapping SPARK field / constructor names
to Isabelle types
Unsynchronized.setmp quick_and_dirty true
use_thys ["Common_Patterns"];
use_thys ["QuoDataType", "QuoNestedDataType", "Term", "SList",
"ABexp", "Tree", "Ordinals", "Sigma_Algebra", "Comb", "PropLog", "Com"];