v1.16.3. Bugfix. Improvement.

- v1.16.3 February 5, 2013
	- Node v0.4 support
	- `balUtilPaths` changes:
		- Removed deprecated `console.log`s when errors occur (they are now
sent to the callback)
		- Fixed `determineExecPath` when executable requires the environment
configuration
	- `balUtilTypes` changes:
		- `isEmptyObject` now works for empty values (e.g. `null`)
	- `balUtilFlow` changes:
		- Added `clone`
		- Added `deepClone`
		- `setDeep` and `getDeep` now handle `undefined` values correctly