Multi features

[TheRustyPickle]

Adds multiple features.

• Add an option to blacklist users, preventing their data from showing up anywhere
• The counter can now work with multiple points at once and complete counting sessions one after another
• If multiple points are used at once, add the option to select chats
• Fix user table forgetting whitelisted users on date change
• Add csv export option of the user table
• All dependencies have been updated
• Add counter start and end point auto removing newline character
• Fixed in some cases whitelisted users not getting saved

Resolves #69 Resolves #70