hotfix/view-life-cycle-functions-called-multiple-times

Provide public constructor for segment.
Provide public getter for current index.

Sources/HorizontalMenuViewController.swift

@@ -105,6 +105,10 @@ public class HorizontalMenuViewController: UIViewController, MenuDataSource, Pag
             layoutController?.delegate = layoutDelegate
         }
     }
+
+    public var currentIndex: Int {
+        return paginationController.currentIndex
+    }
     
     /// If true, when users seleects an iten from menu, 
     /// all view controllers from current index to selected index will be loaded.

Sources/Segment.swift

@@ -14,4 +14,9 @@ public struct Segment<SegmentPoint: BasicArithmetic>: ProgressPoint {
     
     public let first: SegmentPoint
     public let second: SegmentPoint
+
+    public init(first: SegmentPoint, second: SegmentPoint) {
+        self.first = first
+        self.second = second
+    }
 }