Modified pkgDep() to allow enhances as argument
Fixed makeRepo() and created makeLibrary()
Changed makeRepo and pkgDeps to be more robust with type and location of files.
Merge branch 'dev'
Bumped version to 0.0-08
Cleaned unused functions in pkgDepTools.R
Add plot method for makeDepGraph
Removed IMPORTS dependency on igraph, now SUGGESTS igraph
Merge branch 'master' into dev

Conflicts:
	DESCRIPTION
	NEWS
	R/makeRepo.R
	R/pkgDep.R
	man/getCranDescription.Rd
	man/makeRepo.Rd
	man/pkgAvail.Rd
	man/pkgDep.Rd
	man/pkgDepTools.Rd
Updated dev branch to be in sync with master branch
Modified plot.pkgDepGraph to include edge information for Suggests, Depends, Imports, etc.
Added results of package_dependencies to attributes of pkgDep results
Rewrite of pkgDep() and makeDepGraph() to give identical results.  Almost there...
Updated pkgDep unit tests
First time that pkgDep() and makeDepGraph() gives similar results
Added unit tests for test-2-makeDepGraph.R
Fixed bugs in makeDepGraph() and pkgDep()
Fixed package check issues