Unified interface for attributes

See merge request !16

- [x] Fix Add + Mul recipies
- [x] Add fuseBN recipies
- [x] Fix parameters issue #8 
- [x] Update tensor to get/set values 
- [X] Add approxEq Tensor utils method to check if two tensor are approximatly equals
- [X] Update the way scheduler is updated
- [x] Add unit test for:
  - [x] fuse Add + Mul 
  - [x] remove padding
  - [x] Add unit test for fuseBN recipies (TODO in aidge_backend_cpu because of dependancie to the backend for the test)

[setup.py] Update setup.py to install Cmake lib in python env by default.

See merge request !18

Bind compute dims

See merge request !17