Add root() routine to Tree class.
Add all_nodes() routine to Tree class.
May 1, 2013
Pulish the module on PyPI with version 1.2 under GNU General Pulic License
version 3.
Mar 21, 2013
Replace the list implementation with dict to improve performance to a
large extend. Thanks to aronadaal
Dec 30, 2012
Make a pretty print routine to the tree and give some examples in README
Dec 19, 2012
Little modification and add get_node routine by pgebhard.
Jul 13, 2012
Add rsearch routines to implement reversed searching from leaf to tree root.
Jul 07, 2012
Initiate the project on GitHub.
For my research paper, I need the python implementation of tree structure.
Based on the imcompleted code of Brett A. Kromkamp, I finished all methods
and added subtree and paste routines.