Merge pull request #9 from keyvan-m-sadeghi/master

Removed 'coef_init' from call to ElasticNetWithTimeout.fit
Check for and avoid divide-by-zero when unbiasing coefficients.
Add a newline in a comment which was confusing emacs' syntax highlighting.
Added a test with very simple data, y=x^2.
using np.amin and np.amax instead of the built-in min and max to avoid misbehaviour on some arrays