Created by: Durman
Addressed problem description
The node adds support of NumExpr library. The range of speed-ups for NumExpr respect to NumPy can vary from 0.95x and 20x.
Preflight checklist
- 
Code changes complete.  - 
Code documentation complete.  - 
Documentation for users complete (or not required, if user never sees these changes).  - 
Manual testing done.  

