- Show machine status when current position is shown
- Set 'WARNING' as default verbose level ( for now )
- Implemented "Ready" message
- Created waitForMachineIdle() - now operations will wait until finished
- Added a clear screen at startup to look more consistent
- Message for unknown keystrokes only shown in 'DEBUG'
- Enhanced status message
- Minor output text formatting/content changes
- Created "constants" for serial port configuration (easier to find in the header for quick access)