Update api.py, commander.py and one other file

nullptr/models/survey.py

@@ -25,10 +25,14 @@ class Survey(SystemMember):
   def is_expired(self):
     return time() > self.expires or self.exhausted
   
+  def waypoint(self):
+    p = self.symbol.split('-')
+    return '-'.join(p[:3])
+    
   def api_dict(self):
     return {
       'signature': self.symbol,
-      'symbol': str(self.waypoint),
+      'symbol': self.waypoint(),
       'deposits': [{'symbol': d} for d in self.deposits],
       'expiration': self.expires_str,
       'size': size_names[self.size]