Fix for FloatObject error with Decimal context
improved error handling for PDF files with truncated streams
Merge remote-tracking branch 'upstream/master'
Merge branch 'master' of https://github.com/cecilkorik/PyPDF2 into cecilkorik-master
Merge branch 'master' of https://github.com/adammorris/PyPDF2 into adammorris-master
Bug fixes and other changes from users.