adding generic get() method for settings of arbitrary type

src/utility/settings.h

@@ -37,11 +37,19 @@ namespace settings {
 	{
 		public:
 		
+		/*!
+		 *	@brief Get value of a generic option.
+		 */
+		template <typename T>
+		const T& get(const std::string &name) const {
+			return this->vm[name].as<T>();
+		}
+		
 		/*!
 		 *	@brief Get value of string option
 		 */
 		const std::string& getString(const std::string &name) const {
-			return this->vm[name].as<std::string>();
+			return this->get<std::string>(name);
 		}
 		
 		/*!