code cleanup and division by zero error handling

src/main.c

@@ -6,14 +6,13 @@ VMBL_Instruction program[] = {
 	MAKE_INST_PUSH(123),
 	MAKE_INST_PUSH(0),
 	MAKE_INST_DIV,
+
 };
 
 int main() {
 	VMBL_State vmblState = {};
 
-	//VMBL_LoadExecutable(&vmblState, program, sizeof(program));
-	//VMBL_SaveExecutable("fib.vmbl", program, sizeof(program));
-	VMBL_LoadExecutableFromFile(&vmblState, "fib.vmbl");
+	VMBL_LoadExecutable(&vmblState, program, sizeof(program));
 	VMBL_StartVM(&vmblState);
 
 	return 0;