Prevent module caching in Python parser to fix state reloading

(see #61)

src/io/io_packageparser.js

@@ -101,9 +101,9 @@ IO.PackageParser = new (function() {
 							if (state_def != undefined) {
 								state_def.setFilePath(entry);
 								WS.Statelib.updateDef(state_def);
-								T.logInfo("Updating changed definition for state: " + state_def.getStateClass());
+								T.logInfo("Updating changed definition for state: " + state_def.getStateType());
 								var update_states = Behavior.getStatemachine().traverseStates(function(state) {
-									return state.getStateClass() == state_def.getStateClass();
+									return state.getStateType() == state_def.getStateType();
 								});
 								update_states.forEach(function (state) {
 									state.updateStateDefinition(state_def);

src/io/io_stateparser.js

@@ -19,6 +19,7 @@ for data in iter(sys.stdin.readline, ""):
 	result = {'id': request['id'], 'state_defs': state_defs}
 	try:
 		pkg = __import__(request['import_path'], fromlist=[request['import_path']])
+		del sys.modules[pkg.__name__]  # prevent module caching (to allow state reloading)
 		def is_state(member):
 			return (inspect.isclass(member) and
 					member.__module__ == pkg.__name__ and