Updated read me and version

Classes/JBBarChartView.m

@@ -128,7 +128,7 @@ static UIColor *kJBBarChartViewDefaultBarColor = nil;
         for (NSUInteger index=0; index<dataCount; index++)
         {
             CGFloat height = [self.delegate barChartView:self heightForBarViewAtAtIndex:index];
-            NSAssert(height > 0, @"JBBarChartView // datasource function - (CGFloat)barChartView:(JBBarChartView *)barChartView heightForBarViewAtAtIndex:(NSUInteger)index must return a CGFloat >= 0");
+            NSAssert(height >= 0, @"JBBarChartView // datasource function - (CGFloat)barChartView:(JBBarChartView *)barChartView heightForBarViewAtAtIndex:(NSUInteger)index must return a CGFloat >= 0");
             [dataDictionary setObject:[NSNumber numberWithFloat:height] forKey:[NSNumber numberWithInt:(int)index]];
         }
         self.chartDataDictionary = [NSDictionary dictionaryWithDictionary:dataDictionary];

Classes/JBChartView.podspec

@@ -1,6 +1,6 @@
 Pod::Spec.new do |s|
   s.name         = "JBChartView"
-  s.version      = "2.0.0"
+  s.version      = "2.0.1"
   s.summary      = "Jawbone's iOS-based charting library for both line and bar graphs."
   s.homepage     = "https://github.com/Jawbone/JBChartView"
 
@@ -8,7 +8,7 @@ Pod::Spec.new do |s|
   s.author       = { "Terry Worona" => "tworona@jawbone.com" }
   s.source       = { 
 	:git => "https://github.com/Jawbone/JBChartView.git",
-	:tag => "v2.0.0"
+	:tag => "v2.0.1"
   }
 
   s.platform     = :ios, '7.0'

README.md

@@ -36,7 +36,7 @@ Simply add the following line to your <code>Podfile</code>:
 Your Podfile should look something like:
 
 	platform :ios, '7.0'
-	pod 'JBChartView', '~> 2.0.0'
+	pod 'JBChartView', '~> 2.0.1'
 	
 ### The Old School Way
 
@@ -72,6 +72,11 @@ Secondly, you need to inform the delegate the height of each bar (automatically
     {
 		return ...; // height of bar at index
 	}
+	
+Lastly, ensure you have set the *frame* of your barChartView & call *reloadData* at least once:
+
+	barChartView.frame = CGRectMake( ... );
+	[barChartView reloadData];
     
 #### JBLineChartView
 
@@ -100,6 +105,12 @@ Secondly, you need to inform the delegate of the y-position of each point (autom
     {
 		return ...; // y-position (y-axis) of point at horizontalIndex (x-axis)
 	}
+
+Lastly, ensure you have set the *frame* of your lineChartView & call *reloadData* at least once:
+
+	lineChartView.frame = CGRectMake( ... );
+	[lineChartView reloadData];
+
 	
 ## Customization