diff --git a/lib/angular-csv-import.js b/lib/angular-csv-import.js
index 01912eb..721e8f7 100644
--- a/lib/angular-csv-import.js
+++ b/lib/angular-csv-import.js
@@ -1,109 +1,111 @@
-'use strict';
-
-var csvImport = angular.module('ngCsvImport', []);
-
-csvImport.directive('ngCsvImport', function() {
-	return {
-		restrict: 'E',
-		transclude: true,
-		replace: true,
-		scope:{
-			content:'=?',
-			header: '=?',
-			headerVisible: '=?',
-			separator: '=?',
-			separatorVisible: '=?',
-			result: '=?',
-			encoding: '=?',
-			encodingVisible: '=?',
-			accept: '=?'
-		},
-		template: '<div>'+
-		  '<div ng-show="headerVisible"><div class="label">Header</div><input type="checkbox" ng-model="header"></div>'+
-			'<div ng-show="encoding && encodingVisible"><div class="label">Encoding</div><span>{{encoding}}</span></div>'+
-			'<div ng-show="separator && separatorVisible">'+
-			'<div class="label">Seperator</div>'+
-			'<span><input class="separator-input" type="text" ng-change="changeSeparator" ng-model="separator"><span>'+
-			'</div>'+
-			'<div><input class="btn cta gray" type="file" multiple accept="{{accept}}"/></div>'+
-			'</div>',
-		link: function(scope, element) {
-			scope.separatorVisible = scope.separatorVisible || false;
-			scope.headerVisible = scope.headerVisible || false;
-
-			angular.element(element[0].querySelector('.separator-input')).on('keyup', function(e) {
-				if ( scope.content != null ) {
-					var content = {
-						csv: scope.content,
-						header: scope.header,
-						separator: e.target.value,
-						encoding: scope.encoding
-					};
-					scope.result = csvToJSON(content);
-					scope.$apply();
-				}
-			});
-
-			element.on('change', function(onChangeEvent) {
-				var reader = new FileReader();
-				scope.filename = onChangeEvent.target.files[0].name;
-				reader.onload = function(onLoadEvent) {
-					scope.$apply(function() {
-						var content = {
-							csv: onLoadEvent.target.result.replace(/\r\n|\r/g,'\n'),
-							header: scope.header,
-							separator: scope.separator
-						};
-						scope.content = content.csv;
-						scope.result = csvToJSON(content);
-						scope.result.filename = scope.filename;
-					});
-				};
-
-				if ( (onChangeEvent.target.type === "file") && (onChangeEvent.target.files != null || onChangeEvent.srcElement.files != null) )  {
-					reader.readAsText((onChangeEvent.srcElement || onChangeEvent.target).files[0], scope.encoding);
-				} else {
+(function(undefined) {
+	'use strict';
+	
+	var csvImport = angular.module('ngCsvImport', []);
+	
+	csvImport.directive('ngCsvImport', function() {
+		return {
+			restrict: 'E',
+			transclude: true,
+			replace: true,
+			scope:{
+				content:'=?',
+				header: '=?',
+				headerVisible: '=?',
+				separator: '=?',
+				separatorVisible: '=?',
+				result: '=?',
+				encoding: '=?',
+				encodingVisible: '=?',
+				accept: '=?'
+			},
+			template: '<div>'+
+			  '<div ng-show="headerVisible"><div class="label">Header</div><input type="checkbox" ng-model="header"></div>'+
+				'<div ng-show="encoding && encodingVisible"><div class="label">Encoding</div><span>{{encoding}}</span></div>'+
+				'<div ng-show="separator && separatorVisible">'+
+				'<div class="label">Seperator</div>'+
+				'<span><input class="separator-input" type="text" ng-change="changeSeparator" ng-model="separator"><span>'+
+				'</div>'+
+				'<div><input class="btn cta gray" type="file" multiple accept="{{accept}}"/></div>'+
+				'</div>',
+			link: function(scope, element) {
+				scope.separatorVisible = scope.separatorVisible || false;
+				scope.headerVisible = scope.headerVisible || false;
+	
+				angular.element(element[0].querySelector('.separator-input')).on('keyup', function(e) {
 					if ( scope.content != null ) {
 						var content = {
 							csv: scope.content,
-							header: !scope.header,
-							separator: scope.separator
+							header: scope.header,
+							separator: e.target.value,
+							encoding: scope.encoding
 						};
 						scope.result = csvToJSON(content);
+						scope.$apply();
 					}
-				}
-			});
-
-			var csvToJSON = function(content) {
-				var lines=content.csv.split('\n');
-				var result = [];
-				var start = 0;
-				var columnCount = lines[0].split(content.separator).length;
-
-				var headers = [];
-				if (content.header) {
-					headers=lines[0].split(content.separator);
-					start = 1;
-				}
-
-				for (var i=start; i<lines.length; i++) {
-					var obj = {};
-					var currentline=lines[i].split(new RegExp(content.separator+'(?![^"]*"(?:(?:[^"]*"){2})*[^"]*$)'));
-					if ( currentline.length === columnCount ) {
-						if (content.header) {
-							for (var j=0; j<headers.length; j++) {
-								obj[headers[j]] = currentline[j];
-							}
-						} else {
-							for (var k=0; k<currentline.length; k++) {
-								obj[k] = currentline[k];
+				});
+	
+				element.on('change', function(onChangeEvent) {
+					var reader = new FileReader();
+					scope.filename = onChangeEvent.target.files[0].name;
+					reader.onload = function(onLoadEvent) {
+						scope.$apply(function() {
+							var content = {
+								csv: onLoadEvent.target.result.replace(/\r\n|\r/g,'\n'),
+								header: scope.header,
+								separator: scope.separator
+							};
+							scope.content = content.csv;
+							scope.result = csvToJSON(content);
+							scope.result.filename = scope.filename;
+						});
+					};
+	
+					if ( (onChangeEvent.target.type === "file") && (onChangeEvent.target.files != null || onChangeEvent.srcElement.files != null) )  {
+						reader.readAsText((onChangeEvent.srcElement || onChangeEvent.target).files[0], scope.encoding);
+					} else {
+						if ( scope.content != null ) {
+							var content = {
+								csv: scope.content,
+								header: !scope.header,
+								separator: scope.separator
+							};
+							scope.result = csvToJSON(content);
+						}
+					}
+				});
+	
+				var csvToJSON = function(content) {
+					var lines=content.csv.split('\n');
+					var result = [];
+					var start = 0;
+					var columnCount = lines[0].split(content.separator).length;
+	
+					var headers = [];
+					if (content.header) {
+						headers=lines[0].split(content.separator);
+						start = 1;
+					}
+	
+					for (var i=start; i<lines.length; i++) {
+						var obj = {};
+						var currentline=lines[i].split(new RegExp(content.separator+'(?![^"]*"(?:(?:[^"]*"){2})*[^"]*$)'));
+						if ( currentline.length === columnCount ) {
+							if (content.header) {
+								for (var j=0; j<headers.length; j++) {
+									obj[headers[j]] = currentline[j];
+								}
+							} else {
+								for (var k=0; k<currentline.length; k++) {
+									obj[k] = currentline[k];
+								}
 							}
+							result.push(obj);
 						}
-						result.push(obj);
 					}
-				}
-				return result;
-			};
-		}
-	};
-});
\ No newline at end of file
+					return result;
+				};
+			}
+		};
+	});
+})();