add user id to all logs

[AlexHTW]

for better maintainability of users #130

[n3d1117]

Cool thanks @AlexHTW. Now that I think about it, should we log usernames instead of names?

[AlexHTW]

Ah, good point, I was not aware of the difference!
I think sticking with name is good, because it seems to default to username if one is set.
Username would be empty if the user didn't set one.
https://stackoverflow.com/questions/38532567/telegram-bot-api-username-field-is-missing

[n3d1117]

Alright, merging this!