Regenerated gemspec for version 0.4.6
Regenerated gemspec for version 0.4.6

gdi2290/pdfkit,dimko/pdfkit,christhekeele/pdfkit,christhekeele/pdfkit,asomanescu/pdfkit,globalxolutions/pdfkit,toggl/pdfkit,ContinuityControl/pdfkit,cdwort/pdfkit,globalxolutions/pdfkit,pdfkit/pdfkit,asomanescu/pdfkit,centresource/pdfkit