v2.1.0

• Unstable development release
• Add TUI with curses for displaying hours
• Refactor application for extensibility
• Add concept of generators (generate entries if none exist)
• Add concept of resolvers (revise entries)
• Add CLI with more commands
• Add built-in initialization if no config exists
• Add built-in help on first-use

v1.5.3

• Make installable as a ruby gem
• Provide commandline app buchungsstreber