Support aiohttp 2

mirage/__init__.py

 from .node import Node
 from .user import User
+from .block_forge import BlockForge
\ No newline at end of file

mirage/block_forge.py

@@ -25,7 +25,7 @@ class BlockForge:
     _logger = attr.ib(default=attr.Factory(lambda: logging.getLogger('mirage')))
 
     @classmethod
-    def start(cls, currency, salt, password, scrypt_params, loop):
+    def start(cls, currency, salt, password, scrypt_params):
         key = SigningKey(salt, password, scrypt_params)
         return cls(currency, key)
 

mirage/http.py

-from aiohttp import web, log, errors
+from aiohttp import web, log
 import json
 import socket
 from duniterpy.documents import Peer