diff --git a/webpack/lib/api-client.js b/webpack/lib/api-client.js
index 65abd2f..2f3c85b 100644
--- a/webpack/lib/api-client.js
+++ b/webpack/lib/api-client.js
@@ -1,5 +1,5 @@
 /* classe API */
-export class APIClient{
+export default class APIClient{
 
 
 
diff --git a/webpack/lib/authentication.js b/webpack/lib/authentication.js
new file mode 100644
index 0000000..3769d84
--- /dev/null
+++ b/webpack/lib/authentication.js
@@ -0,0 +1,17 @@
+export default class Authentication{
+
+
+	/* (1) Constructs an Authentication object
+	*
+	*
+	---------------------------------------------------------*/
+	constructor(){
+
+		/* (1) Default attributes */
+		this._authkey = 'auth.default';
+
+		/* (2) Section Title */
+
+	}
+
+}
\ No newline at end of file
diff --git a/webpack/lib/channel-controller.js b/webpack/lib/channel-controller.js
index 323be7d..faba422 100644
--- a/webpack/lib/channel-controller.js
+++ b/webpack/lib/channel-controller.js
@@ -1,4 +1,4 @@
-export class ChannelController{
+export default class ChannelController{
 
 	/* (1) Construct default attributes
 	*
diff --git a/webpack/lib/content-controller.js b/webpack/lib/content-controller.js
index 700df76..fcea67f 100644
--- a/webpack/lib/content-controller.js
+++ b/webpack/lib/content-controller.js
@@ -1,4 +1,4 @@
-export class ContentController{
+export default class ContentController{
 
 	/* (1) Construct default attributes
 	*
diff --git a/webpack/lib/gstore.js b/webpack/lib/gstore.js
index d6bc681..240f219 100644
--- a/webpack/lib/gstore.js
+++ b/webpack/lib/gstore.js
@@ -1,5 +1,5 @@
 /* GlobalStore for VueJS */
-export class GlobalStore{
+export default class GlobalStore{
 
 	constructor(){
 
diff --git a/webpack/lib/local-storage-interface.js b/webpack/lib/local-storage-interface.js
new file mode 100644
index 0000000..d773726
--- /dev/null
+++ b/webpack/lib/local-storage-interface.js
@@ -0,0 +1,173 @@
+export default class LocalStorageInterface{
+
+
+	/* (1) Constructs a localStorage Interface
+	*
+	* @_prefix<String>				localStorage Interface Prefix (prefix)
+	* @_ttl<int>					Seconds default valid time for stored data
+	*
+	---------------------------------------------------------*/
+	constructor(_prefix, _ttl){
+
+		/* (1) Initialise private attributes */
+		this._prefix = 'root';
+		this._ttl    = null;
+
+		/* (2) Initialise public attributes */
+		this.keys    = [];
+
+
+		/* (3) Set given _prefix if valid */
+		if( typeof _prefix === 'string' )
+			this._prefix = _prefix;
+
+		/* (4) Set given _ttl if valid */
+		if( !isNaN(_ttl) )
+			this._ttl = _ttl;
+
+		/* (5) Synchronize keys */
+		this.synchronise();
+
+
+	}
+
+	/* (1) Synchronise keys from localStorage
+	*
+	---------------------------------------------------------*/
+	synchronise(){
+
+		// 1. Get localStorage key list
+		let keys = Object.keys(localStorage);
+
+		// 2. Local copy of prefix
+		let prefix = `${this._prefix}.`;
+
+		// 3. Only keep prefixed keys
+		let prefixed = keys.filter( (k) => ( k.substr(0, prefix.length) === prefix ) );
+
+		// 4. Remove prefix
+		let unprefixed = prefixed.map( (k) => k.substr(prefix.length) );
+
+		// X. Update keys
+		this.keys = unprefixed;
+
+	}
+
+
+	/* (2) Store data
+	*
+	* @_name<String>					Object key
+	* @_data<String>					Object key
+	* @_ttl<int>						[OPT] Seconds valid time for this data
+	*
+	---------------------------------------------------------*/
+	push(_name, _data, _ttl=null){
+
+
+		/* (1) Manage argument
+		---------------------------------------------------------*/
+		/* (1) Invalid _name type */
+		if( typeof _name !== 'string' )
+			return false;
+
+		/* (2) Default value for _ttl */
+		_ttl = isNaN(_ttl) ? this._ttl : _ttl;
+
+
+		/* (2) Store data
+		---------------------------------------------------------*/
+		/* (1) Build storage object */
+		let storage_object = {
+			expires: _ttl ? new Date().getTime() + _ttl*1000 : null,
+			data:    _data
+		};
+
+		/* (2) Store storage object */
+		localStorage.setItem(`${this._prefix}.${_name}`, JSON.stringify(storage_object));
+
+		/* (3) Synchronize keys */
+		this.keys.push(_name);
+
+		/* (4) Return status */
+		return true;
+
+	}
+
+
+
+	/* (3) Fetch data
+	*
+	* @_name<String>					Object key
+	*
+	* @return outName<Object>			Object data (NULL on error or not found)
+	*
+	---------------------------------------------------------*/
+	fetch(_name){
+
+
+		/* (1) Manage argument
+		---------------------------------------------------------*/
+		/* (1) Invalid _name type */
+		if( typeof _name !== 'string' )
+			return null;
+
+		/* (2) invalid key */
+		if( this.keys.indexOf(_name) < 0 )
+			return null;
+
+
+		/* (2) Fetch data
+		---------------------------------------------------------*/
+		/* (1) Try to get data */
+		let fetched = localStorage.getItem(`${this._prefix}.${_name}`);
+
+		/* (2) Try to parse */
+		try{
+
+			var storage_object = JSON.parse(fetched);
+
+		/* (3) If cannot parse -> remove */
+		}catch(e){
+			this.pop(_name);
+			return null;
+		}
+
+		/* (4) If not valid anymore -> delete + return NULL */
+		if( storage_object.expires < new Date().getTime() ){
+			this.pop(_name);
+			return null;
+		}
+
+		/* (5) Return data */
+		return storage_object.data;
+
+	}
+
+
+
+
+
+	/* (4) Remove data
+	*
+	* @_name<String>					Object key
+	*
+	---------------------------------------------------------*/
+	pop(_name){
+
+		/* (1) Invalid _name type */
+		if( typeof _name !== 'string' )
+			return null;
+
+		/* (2) invalid key */
+		if( this.keys.indexOf(_name) < 0 )
+			return null;
+
+		/* (3) Remove from localStorage */
+		localStorage.removeItem(`${this._prefix}.${_name}`);
+
+		/* (4) Update keys */
+		this.keys = this.keys.filter( (k) => (k!==_name) );
+
+	}
+
+}
\ No newline at end of file
diff --git a/webpack/lib/popup-controller.js b/webpack/lib/popup-controller.js
index 4f05f2f..c4a5a0b 100644
--- a/webpack/lib/popup-controller.js
+++ b/webpack/lib/popup-controller.js
@@ -1,4 +1,4 @@
-export class PopupController{
+export default class PopupController{
 
 	/* (1) Construct default attributes
 	*
diff --git a/webpack/lib/room-controller.js b/webpack/lib/room-controller.js
index b5c6356..62b4f3e 100644
--- a/webpack/lib/room-controller.js
+++ b/webpack/lib/room-controller.js
@@ -1,4 +1,4 @@
-export class RoomController{
+export default class RoomController{
 
 
 	/* (1) Construct default attributes