Increase instance name character limit of 12

**Is your feature request related to a problem? Please describe.**
You are very limited in terms of the instance name. It would be nice to have more freedom,

**Describe the solution you'd like**
Increase the limit of max allowed characters up to 16? 20? 32?

**Describe alternatives you've considered**
None, except using very short names that are "ugly"

**Additional context**
None
