correct incorrect prefixing of edges when relevant nodes are in a subgraph
use real split on chromosome tool
Merge remote-tracking branch 'origin/devel' into devel

Conflicts:
	data/vtlib/yhuman_split.json
Merge remote-tracking branch 'remotes/kl2-remote/new_vtfp_and_templates' into devel
fix info message (onf STDOUT usage, post fork, pre exec)
bugfix - substitution is returning an array - we don't want an array within an array