Fixed find to traverse snapshots.

lib/rvc/extensions/VirtualMachine.rb

@@ -274,4 +274,18 @@ def display_info
     puts "state: #{tree.state}"
     puts "creation time: #{tree.createTime}"
   end
+
+  def self.traverse?
+    true
+  end
+
+  field 'type' do
+    summary "The type of object"
+    property 'find_tree.class.to_s'
+  end
+
+  field 'name' do
+    summary "The snapshot name."
+    property 'find_tree.name'
+  end
 end

lib/rvc/modules/find.rb

@@ -70,12 +70,11 @@ def leaves roots, types = []
     nodes = new_nodes
     new_nodes = Set.new
     nodes.each do |node|
-      if (node.class.traverse? or roots.member? node) and
-          (types & (node.field('type') || [])).empty?
+      if (node.class.traverse? or roots.member? node)
         node.children.each { |k,v| v.rvc_link(node, k); new_nodes << v }
-      else
-        leaves << node
       end
+
+      leaves << node
     end
   end
   leaves