2018-09-11 version 0.3.1

• Added support for negative values on LineChart
• Added support for grouping xLabels on BarChart (display one label for some bars)

2016-09-17 version 0.3.0

• Fixed warning on CAAnimationDelegate with iOS10
• Updated demo files for Xcode 8
• Dropped support for iOS less then 8

2015-08-19 version 0.2.2

• Fixed some warning while building with iOS 8.4

2015-01-28 version 0.2.1

• Added label rotation angle property for label on X axis of line chart (Thanks to ecaste)

2015-01-24 version 0.2.0

• Added option to flip upside down bar chart
• Turn on/off animations
• Customize font for empty message
• FIX: chart was not re-draw when its bounds changes.

2015-01-08 version 0.1.4

• FIX: popup partially visible 'cause of out of super view bounds.

2014-08-04 version 0.1.3

• Fixed some minor warnings

2014-07-18 version 0.1.2

• Added some flags for customize behavior of the pie chart
• Fixed a warning on formatting numbers

2014-06-16 version 0.1.1

• Fixed bug that prevent reset of highlighted piece in SPPieChart

2014-06-14 version 0.1.0

• First release