Change various widget field names

_examples/piechart.go

@@ -36,8 +36,8 @@ func main() {
 	pc.Title = "Pie Chart"
 	pc.SetRect(5, 5, 70, 36)
 	pc.Data = []float64{.25, .25, .25, .25}
-	pc.Offset = -.5 * math.Pi
-	pc.Label = func(i int, v float64) string {
+	pc.AngleOffset = -.5 * math.Pi
+	pc.LabelFormatter = func(i int, v float64) string {
 		return fmt.Sprintf("%.02f", v)
 	}
 
@@ -66,7 +66,7 @@ func main() {
 			}
 		case <-ticker:
 			if run {
-				pc.Data, pc.Offset = randomDataAndOffset()
+				pc.Data, pc.AngleOffset = randomDataAndOffset()
 				ui.Render(pc)
 			}
 		}

_examples/plot.go

@@ -44,7 +44,7 @@ func main() {
 	p1.Marker = widgets.MarkerDot
 	p1.Data = [][]float64{[]float64{1, 2, 3, 4, 5}}
 	p1.SetRect(50, 0, 75, 10)
-	p1.DotRune = '+'
+	p1.DotMarkerRune = '+'
 	p1.AxesColor = ui.ColorWhite
 	p1.LineColors[0] = ui.ColorYellow
 	p1.DrawDirection = widgets.DrawLeft
@@ -58,7 +58,7 @@ func main() {
 	p2.SetRect(0, 15, 50, 30)
 	p2.AxesColor = ui.ColorWhite
 	p2.LineColors[0] = ui.ColorCyan
-	p2.Type = widgets.ScatterPlot
+	p2.PlotType = widgets.ScatterPlot
 
 	p3 := widgets.NewPlot()
 	p3.Title = "braille-mode Scatter Plot"
@@ -69,7 +69,7 @@ func main() {
 	p3.AxesColor = ui.ColorWhite
 	p3.LineColors[0] = ui.ColorCyan
 	p3.Marker = widgets.MarkerBraille
-	p3.Type = widgets.ScatterPlot
+	p3.PlotType = widgets.ScatterPlot
 
 	ui.Render(p0, p1, p2, p3)
 

_examples/table.go

@@ -37,7 +37,7 @@ func main() {
 		[]string{"2016", "11", "11"},
 	}
 	table2.TextStyle = ui.NewStyle(ui.ColorWhite)
-	table2.TextAlign = ui.AlignCenter
+	table2.TextAlignment = ui.AlignCenter
 	table2.RowSeparator = false
 	table2.SetRect(0, 10, 20, 20)