Fixed bug in ddg.is.functiondecl that was preventing it from
recognizing function declarations.

Added a function to convert lists to strings so that lists of S4
objects can be saved to text files.
Merged changes
Merge branch 'master' of https://github.com/blernermhc/RDataTracker

Conflicts:
	DESCRIPTION
We need to include index.html under the /inst/doc directory so that when building and installing the package, even if index.html is not automatically generated, it still exists