Improved mobile interaction and scroll detection

Author: Mario-Duarte

README.md

@@ -35,6 +35,12 @@ It will have the class `loading` while the image is been preloaded and `loaded`
 
 Additionally it will have the class `fullview` while the user has not initiated the zoom and `zoomed` once the user has taped/clicked in.
 
+## New to v1.5.5
+
+On touch enabled devices users can interact with one finger to zoom in and move the zoom location by dragging the finder on the image, this will disable the scrolling.
+
+__NEW:__ Touching with more than 1 finger on the image will not activate the zoom and page will scroll as normal, this was decided this way as it is easier to use one finger to zoom and drag on the image.
+
 ### New to v1.5.0
 
 Migrated `ImageZoom` to typescript!