add dedicated stopAll()

should not change abi

solanaceae/plugin/plugin.hpp

@@ -22,6 +22,8 @@ struct Plugin {
 	void* _fn_tick = nullptr;
 	void* _fn_render = nullptr;
 
+	bool _running = false;
+
 	void* loadSymbol(const char* name);
 
 	// loads lib and gets name (and version)
@@ -32,12 +34,11 @@ struct Plugin {
 	// unloads the plugin
 	~Plugin(void);
 
-
 	// runs the start function
-	uint32_t start(SolanaAPI* solana_api) const;
+	uint32_t start(SolanaAPI* solana_api);
 
 	// stop function
-	void stop(void) const;
+	void stop(void);
 
 	// update functions
 	float tick(float delta) const;