Initial commit
Store pheremone as locked float64 not int. Add iteration counter to ants
Add decreasing pheremones. Refined final stop method

Stop exporting UpdateDestinationa from Ant

Use ticker instead of time.After. Return error not boolean
Add default graph constructors

Start to main

Working
Ants lay down pheremone after reaching home, eliminate loops

Don't use globals as flag variables

Add gitignore

Add shared source of randomness. Non-global flags
Add tests
Comments and README