Save previous worker status to database. Fixes #1749 (#1778)

Previously we could have inconsistencies since stats
from a worker that failed would not be stored in the db,
like captchas and non empty

pogom/search.py

@@ -672,6 +672,10 @@ def search_worker_thread(args, account_queue, account_failures,
     # This reinitializes the API and grabs a new account from the queue.
     while True:
         try:
+            # Force storing of previous worker info to keep consistency
+            if 'starttime' in status:
+                dbq.put((WorkerStatus, {0: WorkerStatus.db_format(status)}))
+
             status['starttime'] = now()
 
             # Track per loop.