Edges not found.
Managers to separate file.
Added forgotten EdgeNotFound.
First unittest yay!
Can haz moare tests!
Moar tests!
edges[0] -> edges.pop()
Hashes for uniqueness and comparisons.
Test duplicates and non-interfering graphs.
Increasing and decreasing scores.
Weight.
Move all storage to store module.
Assert only proper scores are stored.
Make sure scores remain consistent.
Test weight distributions.