TwitterFollowergetter now outputs edges as well, it should've done so from the
start. Neo4jReader "caches" the nodes that it already knows have properties,
and ParseEdgeToIds is a processor that takes in an edge, spits out the edge,
and all the unique ids in that edge.
rate limit for getting friends as well.
renamed socket user to users
Really a unused branch merge
Merge branch 'Neo-Pipeline'