Updates functions from tcpdf 4.8.012  - Images and barcode alignments for booklet mode were fixed.  - Booklet mode for double-sided pages was added; see SetBooklet() function. (4.2.000)  - SetDisplayMode() signature was changed (new options were added). (3.1.000)
Updates functions from tcpdf 4.8.012
 - Images and barcode alignments for booklet mode were fixed.
 - Booklet mode for double-sided pages was added; see SetBooklet() function. (4.2.000)
 - SetDisplayMode() signature was changed (new options were added). (3.1.000)

naitoh/rfpdf,planio-gmbh/rbpdf,naitoh/rfpdf,planio-gmbh/rbpdf