Fix logging

- Following advice here: https://docs.python.org/3/howto/logging.html#configuring-logging-for-a-library
- Renamed the logger: client -> fbchat
- Remove logging_level init parameter from Client
- Use print instead of log.info in examples

examples/keepbot.py

@@ -1,4 +1,4 @@
-from fbchat import log, Client
+from fbchat import Client
 from fbchat.models import *
 
 # Change this to your group id
@@ -19,21 +19,21 @@ old_nicknames = {
 class KeepBot(Client):
     def onColorChange(self, author_id, new_color, thread_id, thread_type, **kwargs):
         if old_thread_id == thread_id and old_color != new_color:
-            log.info(
+            print(
                 "{} changed the thread color. It will be changed back".format(author_id)
             )
             self.changeThreadColor(old_color, thread_id=thread_id)
 
     def onEmojiChange(self, author_id, new_emoji, thread_id, thread_type, **kwargs):
         if old_thread_id == thread_id and new_emoji != old_emoji:
-            log.info(
+            print(
                 "{} changed the thread emoji. It will be changed back".format(author_id)
             )
             self.changeThreadEmoji(old_emoji, thread_id=thread_id)
 
     def onPeopleAdded(self, added_ids, author_id, thread_id, **kwargs):
         if old_thread_id == thread_id and author_id != self.uid:
-            log.info("{} got added. They will be removed".format(added_ids))
+            print("{} got added. They will be removed".format(added_ids))
             for added_id in added_ids:
                 self.removeUserFromGroup(added_id, thread_id=thread_id)
 
@@ -44,12 +44,12 @@ class KeepBot(Client):
             and removed_id != self.uid
             and author_id != self.uid
         ):
-            log.info("{} got removed. They will be re-added".format(removed_id))
+            print("{} got removed. They will be re-added".format(removed_id))
             self.addUsersToGroup(removed_id, thread_id=thread_id)
 
     def onTitleChange(self, author_id, new_title, thread_id, thread_type, **kwargs):
         if old_thread_id == thread_id and old_title != new_title:
-            log.info(
+            print(
                 "{} changed the thread title. It will be changed back".format(author_id)
             )
             self.changeThreadTitle(
@@ -64,7 +64,7 @@ class KeepBot(Client):
             and changed_for in old_nicknames
             and old_nicknames[changed_for] != new_nickname
         ):
-            log.info(
+            print(
                 "{} changed {}'s' nickname. It will be changed back".format(
                     author_id, changed_for
                 )