bug-4088: Fix pagination parser in Ruby OX

src/oca/ruby/opennebula/pool.rb

@@ -202,8 +202,9 @@ module OpenNebula
 
                 a_array=parser.parse(a)
 
-                array += a_array
+                array   += a_array
                 current += size
+
                 break if !a || a_array.length<size
             end
 

src/oca/ruby/opennebula/xml_utils.rb

@@ -47,14 +47,18 @@ module OpenNebula
         attr_accessor :pool
 
         def initialize (pool_name, elem_name)
-            @current = 0
-            @levels  = [{}]
-            @pool    = Array.new
+            clear
 
             @pool_name = pool_name
             @elem_name = elem_name
         end
 
+        def clear
+            @current = 0
+            @levels  = [{}]
+            @pool    = Array.new
+        end
+
         def start_element(name, attrs = [])
             return if name == @pool_name
             @value = nil
@@ -98,7 +102,7 @@ module OpenNebula
         end
 
         def parse(str)
-            @pool_sax.pool.clear
+            @pool_sax.clear
             sax_parse(str)
             @pool_sax.pool
         end