No change in NEWS.txt as this was not released.

Bug fix in Scan

Fix test

use smaller shape to prevent DebugMode to return error sometimes due to different rounding on CPU and GPU with the Sum op.

New elemwise

Added shape_of_variables function

Given an env and the shape of all inputs returns a dictionary holding the
shapes of all intermediate and output variables

Load op

Make ifelse work on gpu

Also moved relevant test

Enable fusion of node that have the same clients multiple time.

Fix new op

Catch more gpu init error.

Two extra op from numpy.

Gpu limit

Has issues currently. I'm having difficulty putting the path input in make_node
Defaulting to placing it in the op construction instead

Include inputs in return description