Add _RecursiveSerializer class in bfxapi/labeler.py file. Add support to new pulse endpoints (with serializers and types). Add examples/rest/get_pulse_data.py demo.

examples/rest/get_pulse_data.py

@@ -0,0 +1,22 @@
+# python -c "from examples.rest.get_pulse_data import *"
+
+import time
+
+from bfxapi.client import Client, Constants
+
+bfx = Client(
+    REST_HOST=Constants.REST_HOST
+)
+
+now = int(round(time.time() * 1000))
+
+messages = bfx.rest.public.get_pulse_history(end=now, limit=100)
+
+for message in messages:
+    print(f"Message: {message}")
+    print(message.CONTENT)
+    print(message.PROFILE.PICTURE)
+
+profile = bfx.rest.public.get_pulse_profile("News")
+print(f"Profile: {profile}")
+print(f"Profile picture: {profile.PICTURE}")