updated poe api (gpt4)

fixed tls_client issue by switching to request Session, and update the poe api

testing/poe_test.py

@@ -0,0 +1,13 @@
+import poe
+from time import sleep
+
+token = poe.Account.create(proxy = 'xtekky:ogingoi2n3g@geo.iproyal.com:12321',logging = True)
+print('token', token)
+
+sleep(2)
+
+for response in poe.StreamingCompletion.create(model  = 'gpt-4',
+    prompt = 'hello world',
+    token  = token):
+    
+    print(response.completion.choices[0].text, end="", flush=True)