Use different filenames for different images, similar to how Steam does it

# Conflicts:
#	.idea/encodings.xml

.idea/steamcommunity.iml

@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<module type="JAVA_MODULE" version="4">
+<module type="WEB_MODULE" version="4">
   <component name="NewModuleRootManager" inherit-compiler-output="true">
     <exclude-output />
     <content url="file://$MODULE_DIR$" />

classes/CConfirmation.js

@@ -5,9 +5,9 @@ module.exports = CConfirmation;
 function CConfirmation(community, data) {
 	Object.defineProperty(this, "_community", {"value": community});
 
-	this.id = data.id;
+	this.id = data.id.toString();
 	this.type = data.type;
-	this.creator = data.creator;
+	this.creator = data.creator.toString();
 	this.key = data.key;
 	this.title = data.title;
 	this.receiving = data.receiving;

components/users.js

@@ -552,6 +552,8 @@ SteamCommunity.prototype.sendImageToUser = function(userID, imageContentsBuffer,
 	imageHash.update(imageContentsBuffer);
 	imageHash = imageHash.digest('hex');
 
+	var filename = Date.now() + '_image.' + imageDetails.type;
+
 	this.httpRequestPost({
 		uri: 'https://steamcommunity.com/chat/beginfileupload/?l=english',
 		headers: {
@@ -561,7 +563,7 @@ SteamCommunity.prototype.sendImageToUser = function(userID, imageContentsBuffer,
 			sessionid: this.getSessionID(),
 			l: 'english',
 			file_size: imageContentsBuffer.length,
-			file_name: 'image.' + imageDetails.type,
+			file_name: filename,
 			file_sha: imageHash,
 			file_image_width: imageDetails.width,
 			file_image_height: imageDetails.height,
@@ -623,7 +625,7 @@ SteamCommunity.prototype.sendImageToUser = function(userID, imageContentsBuffer,
 				formData: { // it's multipart again
 					sessionid: this.getSessionID(),
 					l: 'english',
-					file_name: 'image.' + imageDetails.type,
+					file_name: filename,
 					file_sha: imageHash,
 					success: '1',
 					ugcid: startResult.ugcid,