add error handling & numpy to readme master
-rw-r--r-- 271 README.md
-rw-r--r-- 5686 favicon.ico
drwxr-xr-x - fonts
drwxr-xr-x - images
-rw-r--r-- 738 index.php
drwxr-xr-x - js
-rwxr-xr-x 1770 matrix.py
-rw-r--r-- 1507 style.css