Add activate
Change interface
Change interface
Add error method
Add train method (untested)
Change to static
Remove inputs reader
Make random_weight private, specs cover it still
Refactor and remove error method
Create Trainer class
Make start on executable
Make start on driver app
Fix typo and create to_s method
Print some output
Add specs and change interface
Restrict answer's values
Make sure there's at least one element
Add optional learning constant
Wasn't doing right thing
Use new interface. Found this isn't changing the arrays