Sniper task : More logs + correction of pokewatcher 's source

Add more logs to see which pokemons will be used by the Sniper task.
Correction of the pokewatcher source, change the expiration format type
from "milliseconds" to "seconds"  in configs files and documentation

configs/config.json.example

@@ -252,7 +252,7 @@
 						"name": { "param": "pokemon" },
 						"latitude": { "param": "cords" },
 						"longitude": { "param": "cords" },
-						"expiration": { "param": "timeend", "format": "milliseconds" }
+						"expiration": { "param": "timeend", "format": "seconds" }
 					}
 				},
 				{

configs/config.json.map.example

@@ -506,7 +506,7 @@
 						"name": { "param": "pokemon" },
 						"latitude": { "param": "cords" },
 						"longitude": { "param": "cords" },
-						"expiration": { "param": "timeend", "format": "milliseconds" }
+						"expiration": { "param": "timeend", "format": "seconds" }
 					}
 				},
 				{

docs/configuration_files.md

@@ -846,7 +846,7 @@ This task is an upgrade version of the MoveToMapPokemon task. It will fetch poke
                     "name": { "param": "pokemon" },
                     "latitude": { "param": "cords" },
                     "longitude": { "param": "cords" },
-                    "expiration": { "param": "timeend", "format": "milliseconds" }
+                    "expiration": { "param": "timeend", "format": "seconds" }
                 }
             }
         ],

pokemongo_bot/cell_workers/sniper.py

@@ -416,6 +416,16 @@ def work(self):
             if targets:
                 # Order the targets (descending)
                 targets = sorted(targets, key=itemgetter(*self.order), reverse=True)
+                #List Pokemons found
+                self._trace('Sniping the {} best Pokemons found, ordered by {}'.format(self.bullets, self.order))
+                self._trace('+----+------+----------------+-------+----------+---------+---------+----------+')
+                self._trace('|  # |   Id | Name           |    IV | Verified | VIP     | Missing | Priority |')
+                self._trace('+----+------+----------------+-------+----------+---------+---------+----------+')
+                row_format ="|{:>3} |{:>5} | {:<15}|{:>6} | {:<9}| {:<8}| {:<8}|{:>9} |"
+                for index, target in enumerate(targets):
+                    self._trace(row_format.format(*[index+1, target.get('pokemon_id'), target.get('pokemon_name'), target.get('iv'), str(target.get('verified')), str(target.get('vip')), str(target.get('missing')), target.get('priority')]))
+
+                self._trace('+----+------+----------------+-------+----------+---------+---------+----------+')
                 shots = 0
 
                 # For as long as there are targets available, try to snipe untill we run out of bullets