Added static methods for Axis generation from collection or range #30
Update library version to 1.3
Remove "boolean hell" from Chart interface
Introduce AxisValueFormatter interface and SimpleAxisValueFormatter implementation
Added separated package for formatters
Separate value formatters for every chart type(breaks old code)

More classes but that simplify usage of custom formatters
Move DummyChartAnimationListener to animation package
Create package for listeners
Create package for computators
Extracted chart listeners to separated package
Rename ArcValue into SliceValue(PieChartData)
Reformat code for PieChartData
Merge pull request #33 from douglasjunior/master

Implements the Util class
Fixed code formatting in Utils.java
Split Utils.java into FloatUtils.java and ChartUtils because utils classes tends to grow too big:)
null PathEffect is ok

Bypassing setPathEffect when it's null results in a PathEffect from
a sibling line bleeding over. Make sure to set PathEffect to null
when this line does not want a PathEffect.
Merge pull request #34 from dgmltn/null-patheffect

Null PathEffect is ok