version 0.8.2

PDFKit version 0.8.1

Merge pull request pdfkit#315 from cdwort/release_0.7.1

Release 0.7.1

Release v0.7.0

Release v0.6.2

Version 0.6.1

Version 0.6.0

Version 0.5.4

Version 0.5.2

Version 0.5.1