Fix bug incorrect date in get method

lcmlog

@@ -74,6 +74,12 @@ method_get()
 	echo
 	echo "Search for which date? (yyyy-mm-dd) (optional)"
 	read DATE
+	while ! [ -z $DATE ]; do
+		while [ ${DATE:4:1} != '-' ] || [ ${DATE:7:1} != '-' ]; do
+			echo "Wrong date, reinsert."	
+			read DATE
+		done
+	done
 
 	# TAGS
 	echo