update pod spec to 3.1.0

update changelog to v3.1

CHANGELOG.md

@@ -1,17 +1,61 @@
 # Change Log
 
-## [Unreleased](https://github.com/danielgindi/Charts/tree/HEAD)
-
-[Full Changelog](https://github.com/danielgindi/Charts/compare/v3.0.5...HEAD)
+## [v3.1.0](https://github.com/danielgindi/Charts/tree/v3.1.0) (2018-03-22)
+[Full Changelog](https://github.com/danielgindi/Charts/compare/v3.0.5...v3.1.0)
 
 **Fixed bugs:**
 
+- Bug in ZoomViewJob? [\#3299](https://github.com/danielgindi/Charts/issues/3299)
+- BarChartView bug if set barWidth was 1.0? [\#3213](https://github.com/danielgindi/Charts/issues/3213)
 - Scatter circle disappear when chart scaled [\#3185](https://github.com/danielgindi/Charts/issues/3185)
+- PieChart `highlightValue\(x:y:dataSetIndex:\)` should provide error for dataSetIndex \> 1 [\#3146](https://github.com/danielgindi/Charts/issues/3146)
+- PieChart size is extremely small in a UITableViewCell [\#3108](https://github.com/danielgindi/Charts/issues/3108)
 - Handling critical Y values with autoScaleMinMaxEnabled [\#2053](https://github.com/danielgindi/Charts/issues/2053)
 - Charts 3.0 - Error: this application, or a library it uses, has passed an invalid numeric value \(NaN, or not-a-number\) to CoreGraphics API and this value is being ignored [\#1626](https://github.com/danielgindi/Charts/issues/1626)
 
 **Closed issues:**
 
+- Programatically passed renderer is corrupting animations [\#3349](https://github.com/danielgindi/Charts/issues/3349)
+- How to show Integer value [\#3346](https://github.com/danielgindi/Charts/issues/3346)
+- Does not build on Xcode 8.3.3 & Swift 3 [\#3341](https://github.com/danielgindi/Charts/issues/3341)
+- how to use pod 'Charts' into objective c project , i create header file to use swift , but what should i  do after create header file ?  [\#3338](https://github.com/danielgindi/Charts/issues/3338)
+- How to show all labels in xAxis ?  [\#3337](https://github.com/danielgindi/Charts/issues/3337)
+- How to set the interval in X axis label [\#3335](https://github.com/danielgindi/Charts/issues/3335)
+- Line chart with solid and dashed line [\#3334](https://github.com/danielgindi/Charts/issues/3334)
+- Code signing is required for product type 'Application' in SDK 'iOS 11.2' [\#3333](https://github.com/danielgindi/Charts/issues/3333)
+- My project within framework target and pod Charts into my framework target can't load Charts framework [\#3328](https://github.com/danielgindi/Charts/issues/3328)
+- Swift 4.1 compilation warnings [\#3323](https://github.com/danielgindi/Charts/issues/3323)
+- Two Horizontal grid lines always appear above Base Axis line [\#3322](https://github.com/danielgindi/Charts/issues/3322)
+- BalloonMarker support swift 3 ? [\#3321](https://github.com/danielgindi/Charts/issues/3321)
+- Unable to get horizontal scrolling in bar chart [\#3319](https://github.com/danielgindi/Charts/issues/3319)
+- Horizontal Bar Chart xAxis formatted label textColor [\#3317](https://github.com/danielgindi/Charts/issues/3317)
+- Wrong dataSetIndex in stringForValue delegate method [\#3314](https://github.com/danielgindi/Charts/issues/3314)
+- Limit line in the left and right drag or zoom can be fixed [\#3313](https://github.com/danielgindi/Charts/issues/3313)
+- Save picture crash in demos on iOS 11+ [\#3311](https://github.com/danielgindi/Charts/issues/3311)
+- How to display reload text in iOS-Charts? [\#3310](https://github.com/danielgindi/Charts/issues/3310)
+- Can't show Label text in XAxis [\#3308](https://github.com/danielgindi/Charts/issues/3308)
+- Straight lines [\#3306](https://github.com/danielgindi/Charts/issues/3306)
+- Values on X axis issue [\#3304](https://github.com/danielgindi/Charts/issues/3304)
+- when setInverted\(true\) in the leftAxis of CombinedChart, the candleStickData doesnot show ? [\#3303](https://github.com/danielgindi/Charts/issues/3303)
+- HorizontalBarChart X axe labels duplicated [\#3300](https://github.com/danielgindi/Charts/issues/3300)
+- how can i change label color? [\#3298](https://github.com/danielgindi/Charts/issues/3298)
+- value granularity [\#3296](https://github.com/danielgindi/Charts/issues/3296)
+- Better way to manage Stacked Bar Chart Value labels? [\#3295](https://github.com/danielgindi/Charts/issues/3295)
+- Remove Y axis border line in Line Graph [\#3294](https://github.com/danielgindi/Charts/issues/3294)
+- XAxisRenderer not called [\#3293](https://github.com/danielgindi/Charts/issues/3293)
+- How to display string value on xAxis label in line chart  [\#3292](https://github.com/danielgindi/Charts/issues/3292)
+- how to change the color of text that displayed below the chart ios swift 3 [\#3288](https://github.com/danielgindi/Charts/issues/3288)
+- color in BalloonMarker is never used [\#3287](https://github.com/danielgindi/Charts/issues/3287)
+- Question: LineChart variable line thickness? [\#3285](https://github.com/danielgindi/Charts/issues/3285)
+- Modify selected slice [\#3284](https://github.com/danielgindi/Charts/issues/3284)
+- Put shadow under slice [\#3283](https://github.com/danielgindi/Charts/issues/3283)
+- How can I take selected value index in Pie Chart [\#3282](https://github.com/danielgindi/Charts/issues/3282)
+- hide other label when one slice of pie chart was selected [\#3281](https://github.com/danielgindi/Charts/issues/3281)
+- How to show custom x and y axis details in LineChart in objective c ??? [\#3280](https://github.com/danielgindi/Charts/issues/3280)
+- I need to put dates from an array on xAxis [\#3277](https://github.com/danielgindi/Charts/issues/3277)
+- Is there a way to round the corners of the BalloonMarker? [\#3276](https://github.com/danielgindi/Charts/issues/3276)
+- Set values not showing until chart is zoomed [\#3275](https://github.com/danielgindi/Charts/issues/3275)
+- How to add gap between chart and legend? [\#3274](https://github.com/danielgindi/Charts/issues/3274)
 - LineChart : How to show the grid in right axis [\#3271](https://github.com/danielgindi/Charts/issues/3271)
 - How to custom axis' label in horizontal bar chart [\#3270](https://github.com/danielgindi/Charts/issues/3270)
 - LineChart: How to fix space between point on  xAxis [\#3269](https://github.com/danielgindi/Charts/issues/3269)
@@ -21,16 +65,20 @@
 - is it support the ios 7??? [\#3263](https://github.com/danielgindi/Charts/issues/3263)
 - Combined chart for candlestick + bar [\#3262](https://github.com/danielgindi/Charts/issues/3262)
 - setScatterShape applied to Legend also [\#3261](https://github.com/danielgindi/Charts/issues/3261)
+- ChartDataSet min and max values not recalculated when calling clear\(\)  [\#3260](https://github.com/danielgindi/Charts/issues/3260)
 - How to realize the Line and the bar Chart in the same one Chart? [\#3259](https://github.com/danielgindi/Charts/issues/3259)
 - '\_xBounds' and other variables inaccessible due to 'internal' protection level workaround [\#3258](https://github.com/danielgindi/Charts/issues/3258)
+- //view\_line\_graph.centerViewTo\(xValue: Double\(dataEntries\[pos\].x\)  , yValue:   Double\(dataEntries\[pos\].y\), axis: YAxis.AxisDependency.right\) [\#3257](https://github.com/danielgindi/Charts/issues/3257)
 - dyld: Library not loaded: @rpath/Charts.framework/Charts [\#3250](https://github.com/danielgindi/Charts/issues/3250)
 - X Axis disapeared [\#3249](https://github.com/danielgindi/Charts/issues/3249)
 - Save zoom state [\#3248](https://github.com/danielgindi/Charts/issues/3248)
 - leftAxis label bug? [\#3246](https://github.com/danielgindi/Charts/issues/3246)
 - x-axis label jumps when zoomed in and side scrolling. [\#3245](https://github.com/danielgindi/Charts/issues/3245)
+- avoidFirstLastClippingEnabled not working and set last circleColor a different value [\#3244](https://github.com/danielgindi/Charts/issues/3244)
 - Got totally 50 errors after install CocoaPods ..! I am using Swift 4.0 [\#3243](https://github.com/danielgindi/Charts/issues/3243)
 - Error in Library When added pod file [\#3242](https://github.com/danielgindi/Charts/issues/3242)
 - How to do  multiple  data on x axis? [\#3241](https://github.com/danielgindi/Charts/issues/3241)
+- Missing entries in PieChartDataEntry legends. [\#3240](https://github.com/danielgindi/Charts/issues/3240)
 - Candle Stick does not show [\#3239](https://github.com/danielgindi/Charts/issues/3239)
 - How i give LineChart Entry using x index and y value in Charts '3.0.4'? help wanted [\#3238](https://github.com/danielgindi/Charts/issues/3238)
 - ChartDataEntry with icons shows scatter shape at same time [\#3237](https://github.com/danielgindi/Charts/issues/3237)
@@ -45,7 +93,6 @@
 - Dash line and highlighted top value [\#3221](https://github.com/danielgindi/Charts/issues/3221)
 - Why is the xAxis Value Formater so often called? [\#3220](https://github.com/danielgindi/Charts/issues/3220)
 - How easy is to add some technical indicators? [\#3219](https://github.com/danielgindi/Charts/issues/3219)
-- BarChartView bug if set barWidth was 1.0? [\#3213](https://github.com/danielgindi/Charts/issues/3213)
 - How to set X-Axis data to bottom of chart with strings data? [\#3212](https://github.com/danielgindi/Charts/issues/3212)
 - how to drag the LineChartView [\#3211](https://github.com/danielgindi/Charts/issues/3211)
 - Release 3.0.5 contains version number inconsistencies [\#3210](https://github.com/danielgindi/Charts/issues/3210)
@@ -64,6 +111,7 @@
 - How to show/hide Stacked Bar Chart yValue? [\#3175](https://github.com/danielgindi/Charts/issues/3175)
 - Readme needs to be updated for 3.0.5 [\#3170](https://github.com/danielgindi/Charts/issues/3170)
 - Add Axis description to Charts Framework [\#3168](https://github.com/danielgindi/Charts/issues/3168)
+- ChartViewDelegate not called when barChart is out of screen [\#3165](https://github.com/danielgindi/Charts/issues/3165)
 - dash line \(separators\) in between in bars. [\#3163](https://github.com/danielgindi/Charts/issues/3163)
 - StackedBarChart Value on middle of each stacked bar chart  [\#3162](https://github.com/danielgindi/Charts/issues/3162)
 - ChartLimitLine Label Position [\#3161](https://github.com/danielgindi/Charts/issues/3161)
@@ -74,6 +122,7 @@
 - How to make highlight scrolling on chart not trigger parent scrollView? \[help\] [\#3153](https://github.com/danielgindi/Charts/issues/3153)
 - How to fill the color like the marked part of this following picture? Thanks a lot! [\#3144](https://github.com/danielgindi/Charts/issues/3144)
 - finger leaves the chart area [\#3128](https://github.com/danielgindi/Charts/issues/3128)
+- Technical Support in Github [\#3126](https://github.com/danielgindi/Charts/issues/3126)
 - Plotting the bar from top to bottom \(in reverse manner\) [\#3125](https://github.com/danielgindi/Charts/issues/3125)
 - pieChart Data name overlap [\#3109](https://github.com/danielgindi/Charts/issues/3109)
 - LineChart with different colors based on values. [\#3107](https://github.com/danielgindi/Charts/issues/3107)
@@ -88,6 +137,14 @@
 
 **Merged pull requests:**
 
+- bump to 3.1 release [\#3357](https://github.com/danielgindi/Charts/pull/3357) ([liuxuan30](https://github.com/liuxuan30))
+- Refactors -\[tableView:cellForRowAtIndexPath:\] [\#3326](https://github.com/danielgindi/Charts/pull/3326) ([valeriyvan](https://github.com/valeriyvan))
+- minor bug fix in favor of 3.1 release [\#3312](https://github.com/danielgindi/Charts/pull/3312) ([liuxuan30](https://github.com/liuxuan30))
+- add pie chart unit tests [\#3297](https://github.com/danielgindi/Charts/pull/3297) ([liuxuan30](https://github.com/liuxuan30))
+- Align Objc and Swift demos balloon marker [\#3291](https://github.com/danielgindi/Charts/pull/3291) ([liuxuan30](https://github.com/liuxuan30))
+- for \#3146. add a warning message if pie chart has more than one data set [\#3286](https://github.com/danielgindi/Charts/pull/3286) ([liuxuan30](https://github.com/liuxuan30))
+- Issue templates [\#3278](https://github.com/danielgindi/Charts/pull/3278) ([jjatie](https://github.com/jjatie))
+- Min and Max reset when clearing ChartDataSet \(Fixes \#3260\) [\#3265](https://github.com/danielgindi/Charts/pull/3265) ([carlo-](https://github.com/carlo-))
 - Restored old performance in ChartDataSet [\#3216](https://github.com/danielgindi/Charts/pull/3216) ([jjatie](https://github.com/jjatie))
 - Support other bundle than main MarkerView.viewFromXib\(\) [\#3215](https://github.com/danielgindi/Charts/pull/3215) ([charlymr](https://github.com/charlymr))
 - BubbleChart uses correct colour for index now. [\#3202](https://github.com/danielgindi/Charts/pull/3202) ([jjatie](https://github.com/jjatie))

Charts.podspec

@@ -1,6 +1,6 @@
 Pod::Spec.new do |s|
   s.name = "Charts"
-  s.version = "3.0.5"
+  s.version = "3.1.0"
   s.summary = "Charts is a powerful & easy to use chart library for iOS, tvOS and OSX (and Android)"
   s.homepage = "https://github.com/danielgindi/Charts"
   s.license = { :type => "Apache License, Version 2.0", :file => "LICENSE" }