Add archived chat retriever

tests/test_liveparam.py

@@ -0,0 +1,12 @@
+import pytest
+from pytchat.core_multithread.parser import Parser
+import pytchat.config as config
+import requests, json
+from pytchat.paramgen import liveparam
+
+def test_liveparam_0(mocker):
+    _ts1= 1546268400
+    param = liveparam._build("01234567890",
+    *([_ts1*1000000 for i in range(5)]))
+    test_param="0ofMyAPiARp8Q2c4S0RRb0xNREV5TXpRMU5qYzRPVEFhUTZxNXdiMEJQUW83YUhSMGNITTZMeTkzZDNjdWVXOTFkSFZpWlM1amIyMHZiR2wyWlY5amFHRjBQM1k5TURFeU16UTFOamM0T1RBbWFYTmZjRzl3YjNWMFBURWdBZyUzRCUzRCiAuNbVqsrfAjAAOABAAkorCAAQABgAIAAqDnN0YXRpY2NoZWNrc3VtOgBAAEoCCAFQgLjW1arK3wJYA1CAuNbVqsrfAliAuNbVqsrfAmgBggEECAEQAIgBAKABgLjW1arK3wI%3D"
+    assert test_param == param