v0.6.2

• Add sizeOfFontAtHeight methods to font factories.
  • #88
  • #103
• Fix cross reference table/stream offset calculation bug.
  • #78
  • #101
• Fix PDFString serialization (remove incorrect escapes).
  • #89
  • #100
• Fix parser hang for certain PDFs.
  • #95
  • #99
• Fix object stream decoding for certain PDFs. Thanks @mlecoq!
  • #96
  • #97