Can join group with message: group 'x'
No duplicate users in a group - Fixes #1
User can only be in 1 group - Fixes #4
Sends messages to everyone in their group, or only to themself if not in a group - Fixes #2 and Fixes #5
Can leave a group but runs rather slowly
Removed extra safety check code to improve speed
Can enter custom message with custom time, verifies time is a number
Basic custom timers are creatable
Removed unncessary comments
Puts decimal for minute fractions, removes decimal for whole minutes - Fixes #6
Off minute timers completely fixed
Removed 'custom' and the time wording in messages