* * *
adding test_speed_rnn to scan_test suite

Prevent the home dir from being a tilde when expanduser fails, which is apparently possible on some systems

Simpler mechanism to allow deep copy of upcast_out in Python 2.4, without the pickle protocol 0 issues -- Thanks James

anymore when pickling functions

Fixed corresponding tests that were using protocol 0.

It was due to the fact the default mode was made non deterministic in 86cac3aa7744

This is especially important under Windows, where one cannot overwrite a
library currently in use.

* * *
new op: Cond
* * *
gpu lazycond optimization

* * *
added profile param support to function
* * *
added profile param support to pfunc
* * *
profile argument support in DebugMode