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This release reduces the runtime to about 25% of the previous release. The evaluation order of the counting polynomials in the hierarchical tree has been changed with fewer polynomical manipulations as a consequence. This change significantly improves the running time.
This release improves the consistency check before calculating the quartet distance of the input trees. It catches obvious mistakes, such as more than one leaf with the same name or different sets of labels on the two input trees, before it initiates the expensive calculations.
