Converts input text by sending it the Docverter online service.

Arguments:

• text: The text to be converted to another language format. If converting file use open(filepath).read(). Text should be encoded as raw byte string (e.g. "yourtext".encode(...)".
• fromformat: From language format. FORMAT can be markdown (markdown), textile (Textile), rst (reStructuredText), html (HTML), docbook (DocBook XML), or latex (LaTeX).
• toformat: To language format. FORMAT can be markdown (markdown), rst (reStructuredText), html (XHTML 1), latex (LaTeX), context (ConTeXt), mediawiki (MediaWiki markup), textile (Textile), org (Emacs Org-Mode), texinfo (GNU Texinfo), docbook (DocBook XML), docx (Word docx), epub (EPUB book), mobi (Kindle book), asciidoc (AsciiDoc), or rtf (rich text format).
• options (optional): Supply any additional Pandoc keyword options for the conversion process. Note: Options that are only meant to be set on or off should be specified as strings "true" or "false". See docverter api website for more details on options: http://www.docverter.com/api

Returns:

• The converted text.