fix deg_bound=someint when algorithm='magma' in Gröbner basis computations
trac #16096: exact computations for fractional_chromatic_index
Trac 7099: fix precision bug in incomplete gamma function
Trac 7099: add doctest
Trac 7099: one new doctest, move another one
Trac 7099: small simplifications
inherit process-iterator from collections.Iterator
imports (izip, ...)
FSMTape initial version
deepcopying FSMTape
FSMTape: testing if transition is possible
FSMTape: function finished
inherited classes of FSMTape

(for epsilon transitions and in future for iterator over words of language accepted)
new process iterator
doctests in process iterator adapted
iterator for epsilon transitions added
.process adapted and formatting function inserted
doctests updated and some new added
another doctest adapted (new process iterator)
doctest for non-deterministic transducer added