* remove some references from node.
* decrease iterations over Mapping/Sequence Nodes' children

On our test set (according to Cubertura) invokation changes are:
MappingNode
 getValue 272 667 -> 136 507
 iteration over values to setType for key/value
          270 489 -> 99
SequenceNode
 getValue 184 484 -> 70 238
 iteration over values to setType
       28 058 277 -> 172
Node
 setType (most probably due to prev figures)
       28 605 628 -> 6 716
5 files changed
tree: b48a8c4f88047282e997043055c69e01cfe3b300
  1. .hgignore
  2. AUTHORS
  3. LICENSE.txt
  4. pom.xml
  5. src/