Add two "addPredefinedFunctions()" methods in the LII

Author: JDDev0

src/main/java/at/jddev0/lang/LangInterpreter.java

@@ -3996,6 +3996,18 @@ public InterpretingError getAndClearErrnoErrorObject(final int SCOPE_ID) {
 		public void addPredefinedFunction(String funcName, LangNativeFunction function) {
 			interpreter.funcs.put(funcName, function);
 		}
+		/**
+		 * Adds all static methods which are annotated with @LangFunction the object contains
+		 */
+		public void addPredefinedFunctions(Class<?> clazz) {
+			interpreter.funcs.putAll(LangNativeFunction.getLangFunctionsOfClass(interpreter, clazz));
+		}
+		/**
+		 * Adds all non-static methods which are annotated with @LangFunction the object contains
+		 */
+		public void addPredefinedFunctions(Object obj) {
+			interpreter.funcs.putAll(LangNativeFunction.getLangFunctionsFromObject(interpreter, obj));
+		}
 		/**
 		 * Creates a function which is accessible globally in the Interpreter (= in all SCOPE_IDs)<br>
 		 * If function already exists, it will be overridden<br>