Pdfcrowd API clients updated to 5.10.0

We have released a new version of our API client libraries.

New:

• Added the PdfToText API client that allows conversion of PDF documents to plain text.
• Added watermark, background and PDF format options to the ImageToPdf API client.
• Added a new 'single-page-fit-ex' mode to the setSmartScalingMode API method.