add readme, fix package, small fix

Author: Punk-UnDeaD

index.js

@@ -50,13 +50,13 @@
       var output = exporter.get_value(value);
       if (opt.extend && 'SassMap' === value.constructor.name) {
         try {
-          _.defaults(output, JSON.parse(fs.readFileSync(path + file.getValue())));
+          _.defaults(output, JSON.parse(fs.readFileSync(path + '/' + file.getValue())));
         }
         catch (e) {
           console.log(e);
         }
       }
-      fs.writeFileSync(path + file.getValue(), opt.prefix + JSON.stringify(output, null, '  ') + opt.suffix);
+      fs.writeFileSync(path + '/' + file.getValue(), opt.prefix + JSON.stringify(output, null, '  ') + opt.suffix);
       return value;
     }
   };

package.json

@@ -16,5 +16,14 @@
   "dependencies": {
     "fs": "0.0.2",
     "lodash": "~3.10.1"
-  }
+  },
+  "devDependencies": {},
+  "repository": {
+    "type": "git",
+    "url": "git+https://github.com/Punk-UnDeaD/node-sass-export.git"
+  },
+  "bugs": {
+    "url": "https://github.com/Punk-UnDeaD/node-sass-export/issues"
+  },
+  "homepage": "https://github.com/Punk-UnDeaD/node-sass-export#readme"
 }

readme.md

@@ -0,0 +1,59 @@
+# node-sass-export
+
+**node-sass-export** provide export function fo use with Node-sass [function option](https://github.com/sass/node-sass#functions--v300---experimental). 
+
+## Usage
+
+```
+var export_sass = require('node-sass-export');
+sass.renderSync({
+  // ...
+  functions: export_sass('export_path')
+});
+```
+```
+$breakpoints: export('lib/breakpoints.json', $breakpoints);
+```
+$breakpoints has been exported to export_path/lib/breakpoints.json
+```
+{
+  "small": 960,
+  "mini": 768,
+  "micro": 720,
+  "wide": 1230
+}
+```
+
+### Usage with Gulp
+```
+gulp.src('theme_path/sass/*.scss')
+    .pipe(sass({
+      functions: export_sass('export_path')
+    }))
+```
+
+### Options:
+
+#### Another export function name
+```
+{ functions: export_sass('export_path', 'antiexport') }
+```
+```
+$breakpoints: antiexport('lib/breakpoints.json', $breakpoints);
+```
+
+#### Extend json (not rewrite)
+```
+$breakpoints: export('lib/breakpoints.json', $breakpoints, (extend:true));
+$breakpoints: export('lib/breakpoints.json', $other_breakpoints, (extend:true));
+```
+
+#### Export to js file
+```
+$breakpoints: export('lib/breakpoints.js', $breakpoints, (prefix:'var breakpoints = ', suffix:';'));
+```
+
+#### Usage with another functions
+```
+{ functions: _.extend(export_sass('export_path'), {'foobar()': function(){}}) }
+```