Reduced & updated dependencies.

By default, messages larger than 2.000 characters (sent via tells) get sent via slaves, if these exist.
Fixes #3

requirements.txt

@@ -1,17 +1,13 @@
-beautifulsoup4~=4.9.3
-cryptography~=3.3.2
+bbcode==1.1.0
+beautifulsoup4==4.10.0
+cryptography==3.3.2
 discord.py @ git+https://github.com/Rapptz/discord.py@45d498c1b76deaf3b394d17ccf56112fa691d160
-emojis~=0.6.0
-hjson~=3.0.2
-mariadb~=1.0.6
-mysql-connector-python~=8.0.25
-psutil~=5.8.0
-pytz~=2021.1
-requests~=2.25.1
-websocket-client~=1.1.0
-bbcode~=1.1.0
-websock~=1.0.4
-pip>=21.2.4
-websockets~=9.1
-torpy~=1.1.6
-urllib3==1.25.11
+emojis==0.6.0
+hjson==3.0.2
+mariadb==1.0.7
+psutil==5.8.0
+pytz==2021.3
+requests==2.26.0
+torpy==1.1.6
+websock==1.0.4
+websocket-client==1.2.1