* Added new statistic attributes
Added new attributes:
- Cleaning count
- Total cleaning time
- Total cleaning area
- Time left to change main brush, side brush and filter
* Code corrections
Code corrections
* Remove wronge hanging indentation
* Added new attributes
ATTR_MAIN_BRUSH_LEFT
ATTR_SIDE_BRUSH_LEFT
ATTR_FILTER_LEFT
ATTR_CLEANING_COUNT
ATTR_CLEANED_TOTAL_AREA
ATTR_CLEANING_TOTAL_TIME
* Remove trailing white space
* Corrections of the unit test for new attributes
* Hound corrections
* Init self.clean_history, self.consumable_state
* Hound correction
* - Cleaning time and total cleaning time shown in minutes
- Cleaned area and total cleaned area shown in square meters
- Main brush left, side brush left, filter left time shown in hours
- Display of the unit of measurement
* Remove trailing white spaces
* Fixed wrong continued indentation
* Fixed Hound
* Fixed Hound
* Added new statistic attributes
Added new attributes:
- Cleaning count
- Total cleaning time
- Total cleaning area
- Time left to change main brush, side brush and filter
* Code corrections
Code corrections
* Remove wronge hanging indentation
* Init self.clean_history, self.consumable_state
* Hound correction
* Remove UOM
* Merge
* Init self.clean_history, self.consumable_state
* Hound correction
* Init self.clean_history, self.consumable_state
* Hound correction
* Removed double declarations