intentions when doing "in-memory" files. Replace most usages of StringIO.
* consolidate py.io's files and tests into fewer files, make files 3k-importable
--HG--
branch : trunk
- introduce a new pytest_genfuncruns hook for generating tests with multiple funcargs
- new and extended docs: doc/test/funcargs.txt
- factor all funcargs related code into py/test/funcargs.py
- remove request.maketempdir call (you can use request.config.mktemp)
--HG--
branch : trunk
* cleanup of the way distributed/remote sessions are setup up
* simplified config pickling
* configs are now more correctly wired on receival at remote sides
* introduced py.__.execnet.gwmanage helps managing calls to multiple hosts
* grouping all pickling related tests in test_pickle.py
and showcasing a nice pyfunc_call hack
--HG--
branch : trunk