fixed bug in RequestGetOrFormParameters

Author: fquirin

src/main/java/net/b07z/sepia/server/core/server/RequestGetOrFormParameters.java

@@ -33,13 +33,21 @@ public String[] getStringArray(String key) {
 	@Override
 	public JSONObject getJson(String key) {
 		String jsonString = request.queryParams(key);
-		return JSON.parseStringOrFail(jsonString);
+		if (jsonString != null){
+			return JSON.parseStringOrFail(jsonString);
+		}else{
+			return null;
+		}
 	}
 
 	@Override
 	public JSONArray getJsonArray(String key) {
 		String jsonString = request.queryParams(key);
-		return JSON.parseStringToArrayOrFail(jsonString);
+		if (jsonString != null){
+			return JSON.parseStringToArrayOrFail(jsonString);
+		}else{
+			return null;
+		}
 	}
 
 	@Override

src/main/java/net/b07z/sepia/server/core/users/Account.java

@@ -176,7 +176,7 @@ public boolean authenticate(JSONObject requestJson){
 	*/
 	/**
 	 * Authenticate the user. Copies basic user info to this class on successful authentication. 
-	 * @param request - the request (aka URL parameters) sent to server.
+	 * @param params - {@RequestParameters}
 	 * @return true or false
 	 */
 	public boolean authenticate(RequestParameters params){