Don't try to record pomodoro if we're in a break (start set to none)

Also talk a bit more in the CLI, more feedback

pomodoroprompt.py

@@ -87,6 +87,11 @@ def main():
             whatdid = pomodoro_prompt_report(whatnext)
             record_task(whatdid, start)
             log_step('Completed pomodoro: ' + whatdid, start, True)
+            print('Worked on: ' + whatdid)
+
+            print('Break time!')
+            # We're taking a break.  Clear out task start/end times.
+            start = None
             end = datetime.now(pytz.utc) + timedelta(minutes=SHORT_MIN)
             while datetime.now(pytz.utc) <= end:
                 to_go = end-datetime.now(pytz.utc)
@@ -94,8 +99,13 @@ def main():
                 time.sleep(1)
             continue
         except KeyboardInterrupt:
+            if start is None:
+                quit_prompt()
+                continue
             time_spent = datetime.now(pytz.utc) - start
-            if time_spent > timedelta(minutes=INTERRUPTED_MIN):
+            if time_spent < timedelta(minutes=INTERRUPTED_MIN):
+                quit_prompt()
+                continue
             time_spent_str = str_minutes(time_spent)
             print('\n{} time spent, save?'.format(time_spent_str))
             choice = input('[y]/n: ').strip()