Add LGPL and GPL v3 license files, remove MIT license.
Changed license from MIT to LGPLv3 to comply with the original Java code, which is licensed as LGPLv3 by permission from the authors.
Make the language more clear.
Remove extra parenthesis.
Move LeftRB class methods for min and max into BinarySearchTree.Node class.
Move LeftRB class method for tree size into LeftRB.Node class and fix the size calculation.
Remove print statements.
Make search more Pythonic. Add tests.
Move height and insert into Node. Other small fixes.
Add tox.ini for continuous integration with different Python versions. Update runtests.py.
Move _fix_up(), _flip_colors() and __setHeight() into Node class.
Move _move_red_left and _move_red_right into Node class.
Move left and right rotations into Node class.
Bump version number to 0.1.3.