@param docx_path [String] path to docx filename @return [XML::Document] XML document @return [Array] errors @example DocxCrConverter::ExtractFiles.new("path/to/file.docx")

=> #XML::Document:0x00007f8b9c0a1b00

=> []

@example DocxCrConverter::ExtractFiles.new("path/to/file.docx")

=> nil

=> ["No such file or directory @ rb_sysopen - path/to/file"]

@example DocxCrConverter::ExtractFiles.new("path/to/file.docx")

=> nil

=> ["File is not a zip file"]

@return [Boolean] true if errors are present @example DocxCrConverter::ExtractFiles.new("path/to/file.docx").errors?

=> false

@example DocxCrConverter::ExtractFiles.new("path/to/file.docx").errors?

=> true