Release Date: May 12, 2017
Build with: Xcode 8.3.2
##Improvements:
[PTConvert convertOfficeToPDF:paperSize:completion:] and [PTConvert convertHTMLStringToPDF:baseURL:paperSize:completion:] now use a WKWebView (rather than a UIWebView) for conversion.
Increases the size of which annotations with the nozoom flag set appears.
Adds method [PTPDFViewCtrl SetDevicePixelDensity:scale_factor:] to customize the size of which annotations with the nozoom flag set appear.
Improves caching used by PTPDFDraw
##Bug fixes:
Fixes cases where the free text insertion point could be scrolled out of view when the keyboard appears
Fix for [PTPDFViewCtrl {is,set}DirectionalLockEnabled]