Move current segment completion into Pomodoro abstraction
Move current segment abort into Pomodoro abstraction
Remove conditional for setting restart on abort
current_segment -> this_segment
Nuke PomodoroInterval in favor of Segment type in Pomodoro
Change to segment list in Pomodoro type, horrible s// implementation
Fix some comments and type names
Test segment type, not segment address
Table-ize pomodoro segment init; move to index-based segment progression