Updated .readme and test case.

README.md

 
 [![Build Status](https://travis-ci.com/kalimuthu-selvaraj/file-convert.svg?branch=master)](https://travis-ci.com/kalimuthu-selvaraj/file-convert) [![Coverage Status](https://coveralls.io/repos/github/kalimuthu-selvaraj/file-convert/badge.svg?branch=master)](https://coveralls.io/github/kalimuthu-selvaraj/file-convert?branch=master)
 
-Converts `.ppt` `.pptx` `.odp` and `.key` file to `pdf or/and image(png, jpg, jpeg and etc..)`
+(new feature) `disableExtensionCheck` is `true` then converts any file(supported by libre office) to `pdf or/and image(any format)`
+
+`disableExtensionCheck` is `false` then converts only `.ppt` `.pptx` `.odp` and `.key` file to `pdf or/and image(png, jpg, jpeg and etc..)`
 
 ## Dependencies
 
 Please install [libreoffice](https://www.libreoffice.org/), [imagemagick](https://www.imagemagick.org/script/index.php) and might required [ghostscript](https://www.ghostscript.com/) for Mac os
 **(Note: Please do restart your machine after installed all required software.)**
 
-###IMPORTANT    
-Make sure you install libreoffice to the USER you launch nodejs with and that this user HAS a home directory!   
-try to convert a file from inside that USER to properly test!   
-in case you install directly from libreoffice website,      
-MAKE SURE you use the ./install script that comes inside the tar.gz inside the USER!    
-
+###IMPORTANT  
+Make sure you install libreoffice to the USER you launch nodejs with and that this user HAS a home directory!  
+try to convert a file from inside that USER to properly test!  
+in case you install directly from libreoffice website,  
+MAKE SURE you use the ./install script that comes inside the tar.gz inside the USER!
 
 ## LibreOffice test
 
   imgExt: "jpg", // Optional and default value png
   reSize: 800, //  Optional and default Resize is 1200
   density: 120, //  Optional and default density value is 120
+  disableExtensionCheck: true, // convert any files to pdf or/and image
 };
 
 // Convert document to pdf and/or image

package.json

     "coverage": "nyc npm run test"
   },
   "keywords": [
+    "libreoffice file convert to pdf or/and image",
     "ppt to pdf",
     "pptx to pdf",
     "keynote to pdf",

test/test.js

   });
 
   it("should convert pdf to image", function () {
+    options.libreofficeBin = "/usr/bin/libreoffice";
     options.sourceFile = `${global.appRoot}/source/file_example.pdf`;
     options.outputDir = `${global.appRoot}/files/`;
     options.reSize = 800;
   });
 
   it("should convert pdf only", function (done) {
+    options.libreofficeBin = "/usr/bin/libreoffice";
     options.sourceFile = `${global.appRoot}/source/file_example.pptx`;
     options.img = false;
     document.convert(options).then((res) => {
   });
 
   it("should convert without resize, density and imgExt", function () {
+    options.libreofficeBin = "/usr/bin/libreoffice";
     options.img = true;
     document.convert(options).then((res) => {
       expect(res).to.equal("Success");