Fixed minor bugs picked up by testing
Refactored to use .next instead of delegation state
Fixed issues + added event
Updated tests
Added tests. Fixed issues uncovered by tests
Rebuild
Added non-running tests
Added required metrics and removed rerandomize week day to correct place
Fixed the calculation of the first day that a message should be sent
Added the rerandomization to the 'should_push' check
Added a 'is_date' function
Added tests
Rebuild
Added 'can_push' flag.
Rebuild