v6.64.1. Bugfix.

- v6.64.1 April 21, 2014
	- Fixed cache file not being correctly (regression since v6.63.7)
		- Thanks to [Ivan Klimchuk](https://github.com/Alroniks) for [pull request #825](https://github.com/bevry/docpad/pull/825)
v6.64.2. Improvement.

- v6.64.2 April 21, 2014
	- Updated dependencies