v1.17.0

• Fix typo in docs (thanks @adrianjost!)
  • #985
• Make ImageAlignment publicly accessible (thanks @oktapodia!)
  • #988
• Create PDFDocument.copy() method (thanks @mohamedsalem401!)
  • #986
• Fix acrofield removal and flattening bug (thanks @Trapfether!)
  • #1002
• Set P property on widgets created by pdf-lib (thanks @Trapfether!)
  • #1003
• Create PDFPage.scale(), PDFPage.scaleContent(), and PDFPage.scaleAnnotations() methods (thanks @JNK90!)
  • #991
• Fix bug causing Helvetica font to be embedded unnecessarily (thanks @ssssota!)
  • #820
• Make random number generation deterministic across documents (thanks @ChingChang9!)
  • #1033