Version 4.11
* Refactored code to work with PHP 8.
Version 4.10
* Abs. values can be added to the legend now (variable legendAbsValues).
Version 4.9
* Added possiblity to change the color of the bar with the highest value.
Version 4.8.1
* Tweaked the code to avoid PHP messages when using strict error reporting.
Version 4.8
* Added legend alignment.
Version 4.7
* Fixed bar length of negative values.
Version 4.6
* Fixed viewing of zero values and decimals in combination with baseValue.
Version 4.5
* Added new variable baseValue.