Reflowable Layout
In RTL books, Bug fixed in gotoPageByNavPoint function.

Fixed Layout
Bug Fixed that when double tap in landscape mode, right page disappears.
Bug Fixed that gotoPage malfunctions to go to the last page.
New Functions are added.

/** if value is true, page will be fit to Height. otherwise page will be fit to Width */
-(void)setFitToHeight:(BOOL)value;

/** set MaxLayer to pre load another pages */
-(void)setMaxLayer:(int)max;