Add tasks for all the new languages

Task/Leap-year/Lasso/leap-year.lasso

@@ -0,0 +1,11 @@
+define isLeapYear(y::integer) => {
+	#y % 400 == 0 ? return true
+	#y % 100 == 0 ? return false
+	#y % 4 == 0 ? return true
+	return false
+}
+
+with test in array(2012,2016,1933,1900,1999,2000) do => {^
+	isLeapYear(#test)
+	'\r'
+^}