changed the call to _stats

changed the call in the end of the onerror event handler to the callback function "_stats" instead of the internal function "stats"
updated minified files
Revert "updated minified files"

This reverts commit 8cfa4065c72c2810bb9e9c1ef8b41a18bb7f4e5f.
Rebulit minified versions
Merge pull request #9 from Mostafa-Samir/fixed-'onerror'-bug

Fixed 'onerror' bug