Simplified ClassBuilder.buildMembers params

This cuts down on the excessive parameter length and opens up room for
additional metadata generation. Some slight foreshadowing here.

lib/ClassBuilder.js

@@ -346,9 +346,11 @@ exports.prototype.build = function extend( _, __ )
             this._classId,
             base,
             prop_init,
-            abstract_methods,
-            members,
-            static_members,
+            {
+                all:        members,
+                'abstract': abstract_methods,
+                'static':   static_members,
+            },
             function( inst )
             {
                 return new_class.___$$svis$$;
@@ -441,13 +443,16 @@ exports.prototype._getBase = function( base )
 
 
 exports.prototype.buildMembers = function buildMembers(
-    props, class_id, base, prop_init, abstract_methods, members,
-    static_members, staticInstLookup
+    props, class_id, base, prop_init, memberdest, staticInstLookup
 )
 {
     var hasOwn = Array.prototype.hasOwnProperty,
         defs   = {},
 
+        members          = memberdest.all,
+        abstract_methods = memberdest['abstract'],
+        static_members   = memberdest['static'],
+
         smethods = static_members.methods,
         sprops   = static_members.props,