fix gh-1540 and close gh-1541. Don't use rpath if the user didn't provid...

Fix for python3 following gh-1550

Mixed2

Fix tests

Use logger instead of printing. Update error message.

[WIP] Fix shape cycle

Minor change: tensor.ones and tensor.zeros can accept single integer arguments

We where casting a 64 bit ptr to 32 bit.

This was done with much help from Aaron Defazio. fix gh-1547

The Attribute Error is catched in cmodule_key

Fix command not returning with recent mingw64

Fix infinite loop when we can't create the lock_dir directory.

Add test for mixed int/scalar variable in "size" arg of mrg samples

better error message