Ensure that transformers do not overwrite docstrings #1010
Merged
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Currently our docstrings get overwritten for a number of strategies.
For example the Alexei strategy's docstring does not appear (as the
class written passes through a transformer):
http://axelrod.readthedocs.io/en/latest/reference/all_strategies.html#axelrod.strategies.titfortat.Alexei
(Here is the source code for Alexei:
http://axelrod.readthedocs.io/en/latest/_modules/axelrod/strategies/titfortat.html#Alexei
This ensures the original docstring is kept and also fixes a couple of
errors that then appeared in the docstrings.