BugFix for example execution

_examples_/Makefile

@@ -8,11 +8,13 @@ all: $(LOGFILES)
 	python3 $< > $@ &
 	sleep 1 # let the server come up
 	python3 $(subst server,client,$<) 1> /dev/null
+	sleep 1 # let the server come down
 
 %client.log: %client.py
 	python3 $(subst client,server,$<) 1> /dev/null&
 	sleep 1 # let the server come up
 	python3 $< > $@
+	sleep 1 # let the server come down
 
 clean:
 	@echo "\e[1m  * Example logs...\e[0m"