(Sysadmin): Add guild and user blacklist.

v2 -> v3 data migration for the blacklist tables.
Added blacklists and blacklist commands
Added bot admin level to help groups.

bot/core/__init__.py

@@ -1,4 +1,5 @@
 from . import data  # noqa
 
 from .module import module
-from .lion import Lion  # noqa
+from .lion import Lion
+from . import blacklists

bot/core/data.py

@@ -81,3 +81,8 @@ lions = RowTable(
 )
 
 lion_ranks = Table('member_ranks', attach_as='lion_ranks')
+
+
+global_guild_blacklist = Table('global_guild_blacklist')
+global_user_blacklist = Table('global_user_blacklist')
+ignored_members = Table('ignored_members')