Draw A Graph! for iOS

General:- Fixed curves having wrong rotation pivots.- Fixed drawings sometimes won't get saved when you terminate app from multitasking interface (iOS 7).- Redesigned tool bar icons.- Added more pages to Help to introduce the Group tool.- Changed default tool when opening a drawing to Freeform Line.New Stuff:- Empty drawings will be automatically removed when going back to the main screen.- Paper color can now be changed in settings!- Add selection blockout time option: this allows you to select objects underneath each other! (Please turn double tap to edit off for now.)- Replaced Freeform Line's smoothness setting to a global setting of graph quality, now you can speed things up if it gets too laggy!- Any line can now be made into a Freeform Line, so you can make elliptical arcs!- Introducing the Group tool: select multiple objects at once!The Group tool is capable of:- drawing a rectangular selection box to select multiple objects at once;- editing, copying, deleting, bringing up and sending back selected objects;- moving and rotating selected objects in editing mode;- changing basic line properties (thickness, style, color and fill color) for all selected objects;- combining several objects to one and convert them to a Freeform Line, allowing it to be stretched, filled with color and rotated.The Group tool is perfect for creating a design from a combination of lines and objects, then quickly duplicate it, move it and rotate it elsewhere. You can also use it to delete a portion of the drawing, change many objects' colors and other creative purposes you can think of!What's coming next:- A shape library where you can save existing shapes (a Group of objects) for later use in other drawings.- iCloud support