Got ID.offset to be unique (1-10)
local nodeToDF call
Fix ID calculation
Updated nodeToDF()
Merged changes.

Merge branch 'testingIDs' of https://github.com/dicook/phyViz into testingIDs

Conflicts:
	R/allFunctions.R
Reset environment
Reset environment variables when you call getAncestors/getDescendants
Merge branch 'testingIDs' of github.com:dicook/phyViz into testingIDs
Merge branch 'testingIDs' of github.com:dicook/phyViz into testingIDs
Merge branch 'testingIDs' of github.com:dicook/phyViz into testingIDs