Make scan cython code raise the same information as the python execution engine.

3e07eaf6 · Frederic · 97174b84 · 3e07eaf6 · 3e07eaf6 · 3e07eaf6
--- a/theano/scan_module/scan_perform.c
+++ b/theano/scan_module/scan_perform.c
--- a/theano/scan_module/scan_perform.pyx
+++ b/theano/scan_module/scan_perform.pyx
--- a/theano/scan_module/scan_perform_ext.py
+++ b/theano/scan_module/scan_perform_ext.py