5.0.0

• Abbreviate format in time counters
• Identify new startups with boot_id
• Adding -b, --bootid option to show boot IDs
• Adding -i, --invert option to show startup number in reverse count
• Change database specs. Add bootid column
• After a graceful shutdown register, delay 5 seconds next DB update
• Change execution user from 'tuptime' to '_tuptime'
• Large refactoring
• Update .deb package