Revision history for Graph-Easy-Weighted:

0.04  2015-10-03
    - Handle an sprintf() format for the edge label.

0.03  2015-10-03
    - Remove the unneeded new() method.

0.02  2015-10-03
    - Set edge labels for the given attribute.

0.01  2015-10-03
    - Copied from the Graph::Easy::Weighted distribution.
    - Tweaked for Graph::Easy usage.
