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												License Agreement
												
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Licensed under the Apache License, Version 2.0 (the "License"); 
you may not use this file except in compliance with the License. 
You may obtain a copy of the License at 
 
    http://www.apache.org/licenses/LICENSE-2.0 
 
Unless required by applicable law or agreed to in writing, software 
distributed under the License is distributed on an "AS IS" BASIS, 
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 
See the License for the specific language governing permissions and 
limitations under the License. 
 
The patent for Z-Tree can also be distributed for free. Please name the  
data structure "Z-Tree" in your documents or publications. 
    http://www.patentsencyclopedia.com/app/20140222870
												
												 
												 
												 
												 
												 
												 
												 
												 
												 
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