Fix #8 #5 and #6

@@ -28,8 +28,8 @@
 	
 	PNChart * lineChart = [[PNChart alloc] initWithFrame:CGRectMake(0, 75.0, SCREEN_WIDTH, 200.0)];
 	lineChart.backgroundColor = [UIColor clearColor];
-	[lineChart setXLabels:@[@"SEP 1",@"SEP 2",@"SEP 3",@"SEP 4",@"SEP 5"]];
-	[lineChart setYValues:@[@"1",@"240",@"122",@"186",@"300"]];
+	[lineChart setXLabels:@[@"SEP 1",@"SEP 2",@"SEP 3",@"SEP 4",@"SEP 5",@"SEP 6",@"SEP 7"]];
+	[lineChart setYValues:@[@1,@24,@12,@18,@30,@10,@21]];
 	[lineChart strokeChart];
 	[self.chartScrollView addSubview:lineChartLabel];
 	[self.chartScrollView addSubview:lineChart];
@@ -45,8 +45,8 @@
 	PNChart * barChart = [[PNChart alloc] initWithFrame:CGRectMake(0, 335.0, SCREEN_WIDTH, 200.0)];
 	barChart.backgroundColor = [UIColor clearColor];
 	barChart.type = PNBarType;
-	[barChart setXLabels:@[@"SEP 1",@"SEP 2",@"SEP 3",@"SEP 4",@"SEP 5"]];
-	[barChart setYValues:@[@"1",@"240",@"122",@"186",@"300"]];
+	[barChart setXLabels:@[@"SEP 1",@"SEP 2",@"SEP 3",@"SEP 4",@"SEP 5",@"SEP 6",@"SEP 7"]];
+	[barChart setYValues:@[@1,@24,@12,@18,@30,@10,@21]];
 	[barChart strokeChart];
 	[self.chartScrollView addSubview:barChartLabel];
 	[self.chartScrollView addSubview:barChart];

@@ -58,7 +58,7 @@
 -(void)setXLabels:(NSArray *)xLabels
 {
     _xLabels = xLabels;
-    _xLabelWidth = (self.frame.size.width - chartMargin*2)/5.0;
+    _xLabelWidth = (self.frame.size.width - chartMargin*2)/[xLabels count];
     
     for (NSString * labelText in xLabels) {
         NSInteger index = [xLabels indexOfObject:labelText];

@@ -55,7 +55,7 @@
     
     _yValueMax = (int)max;
     
-    float level = max /5.0;
+    float level = max /[yLabels count];
 	
     NSInteger index = 0;
 	NSInteger num = [yLabels count] + 1;
@@ -75,7 +75,7 @@
 -(void)setXLabels:(NSArray *)xLabels
 {
     _xLabels = xLabels;
-    _xLabelWidth = (self.frame.size.width - chartMargin - 30.0 - ([xLabels count] -1) * xLabelMargin)/5.0;
+    _xLabelWidth = (self.frame.size.width - chartMargin - 30.0 - ([xLabels count] -1) * xLabelMargin)/[xLabels count];
     
     for (NSString * labelText in xLabels) {
         NSInteger index = [xLabels indexOfObject:labelText];