Updated README.
Added pod support.
GKBarChartView - implement bar autocenter option.
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Refactored.
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Enabled fill and reset.
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FIX: No animation after colour change.
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FIX: Multiple animations started at the same time.
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Added podspec dependencies.
=> 0.2.0
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GKBar stores values as integers.
Renamed to BarGraph.
Implemented CKLineGraph.