Updated LuceneExt.Net.Impl.AndDocIdSet to Kamikaze version 3.0.6.
Updated LuceneExt.Net.Impl.ImmutableDocSet to Kamikaze version 3.0.6.
Updated LuceneExt.Net.API.StatefulDSIterator to Kamikaze version 3.0.6.
Updated LuceneExt.Net.API.DocSet to Kamikaze version 3.0.6.
Upgraded LuceneExt.Net.Impl.OrDocIdSet and Lucene.Net.Impl.OrDocIdSetIterator to Kamikaze version 3.0.6 compatibility.
Upgraded LuceneExt.Net.Impl.NotDocIdSet to Kamikaze version 3.0.6 compatibility.
Upgraded the LuceneExt.Net.Impl.IntArrayDocIdSet to Kamikaze version 3.0.6 compatibility.
Upgraded the LuceneExt.Net.Compression.P4DSetNoBase to Kamikaze version 3.0.6 compatibility and implemented the dependent MyOpenBitSet class.
Made BigNestedIntArray more robust by calling the .Get() extension method that returns null instead of throwing an exception when the index is out of bounds (which apparently acts the way Java does).