Fixes

• Save colors in FpdfTpl state. (#51)
• Ignore cross-reference pointers to byte offset 0. (#55 / #58)

Features

• Added support for tFPDF.
• Optimized PdfParser::readValue() to handle an expected object type and implemented this on various calls. (#22)

Tweaks

• Moved Fpdi\TcpdfFpdi to Fpdi\Tcpdf\Fpdi (the old class still exists but is marked as deprecated).
• Optimized DocBlocks and code style.