changed import random so i explicitly know when i'm using the random module
method to check if agent has a precessor
generic ugent update function, able to pass params for type of algo to use
algo where agent randomly picks 1 predecessor and % to change binary value to it
randomly select nodes from network_of_agents to seed
step function: call random select and update agents
random select and update code moved to function to use in step()
hard coded model to step 5 times
Merge pull request #15 from chendaniely/update-agent-binary-state-algo

Update agent binary state algo