Added additional functionality to set units for chart and legend values.
Minor bugfixes concerning selecting values. Added getAverage() method.
Linechart circles are no longer cut-off at the edges.
Introduced Series object to represent one entry in the chart. Added functionality to draw multiple lines in one chart. Improved performance when drawing huge amounts of data. Started implementation on data reduction (Douglas-Peucker-Algorithm).
Introduced the DataSet class. This class is used to wrap all data in the chart that belongs together. For example an individual line in the LineChart.
Fixed bug in LineChart. Circles now drawn in correct color.
Improved the highlighting/selecting. New object Highlight that contains the x-index and the DataSet index of the selected value.
Started implementing multiple DataSets for BarChart.
Multilines can now be filled, BarChart supports values.
Bugfixes concerning selecting values in the LineChart.
Fixed a highlighting bug for Line and BarChart. Barchart now supports multiple DataSets.
Fixed all known bugs concerning DataSets. LineChart, BarChart and PieChart now support single and multiple DataSets.
Merged.