Changed the interfaces of pool. Still some tests errors.

0a64e511 · Cesar Laurent · f70948ab · 0a64e511 · 0a64e511
--- a/theano/tensor/signal/pool.py
+++ b/theano/tensor/signal/pool.py
--- a/theano/tensor/signal/tests/test_pool.py
+++ b/theano/tensor/signal/tests/test_pool.py