Added an example at the end and corrected bug re EMF of N=1.
Fix bug with L and D not same length
move coercion out of loop
Merge branch 'minealberto' of http://github.com/ber2/lmfdb into mine

* 'minealberto' of http://github.com/ber2/lmfdb:
  Added an example at the end and corrected bug re EMF of N=1.