Fix Enumerable#frequencies doc examples
Collapse definition on a single line
Remove Enumerable#sproduct
Release 0.0.7
Make take_last_while return elements in the original order.
Merge pull request #9 from mkwiatkowski/master

Make take_last_while return elements in the original order.
Update take_last_while example
Add Enumerable#exactly?
Add an extra example for Enumerable#exactly?