Change node representation to a record (defrecord)
Make multi-arity functions more readable
Merge branch 'feature-node-by-defrecord' into develop
Convert graph representation to a map (passing)
Merge branch 'feature-graph-as-map' into develop
Change new-node creation to use a set for neighbors
Merge branch 'feature-neighbors-as-set' into develop
Set default time to 0
Add function to create a seed graph for BA mechanism
Add weighted seq creation function/tests
Add a function to pick random n unique elements
Change to random-m from random-n to be consistent
Add preliminary version of B-A graph creation
Change add-node and add-nodes to take graph and node(s) for simpler code
Make add-nodes use add-node so that add-node can check for undirectional
Move add-neighbors up so that it can be used by add-node

add-node uses add-neighbors to update the preexisting nodes' neighbors
Add add-node undirectional option that will update existing nodes
Change node addition to support undirectional add

Undirectiona add-node update existing nodes' neighbors
Add sampling package
Add undirectional B-A graph creation