Implemented some methods in SemanticPass1. Renamed Symbol.ident to name. Added a constructor to Symbol. Adapted constructors of classes that inherit from Symbol. Added Alias and OverloadSet Symbol classes. Renamed idents and values to names and inits in VariablesDeclaration.

--- a/trunk/src/dil/ast/Types.d	Sat Jan 19 20:35:45 2008 +0100
+++ b/trunk/src/dil/ast/Types.d	Mon Jan 21 17:10:12 2008 +0100
@@ -85,7 +85,7 @@
   }
 }
 
-/// "typeof" "(" Expression ")
+/// "typeof" "(" Expression ")"
 class TypeofType : TypeNode
 {
   Expression e;