Add tasks for all the new languages

Task/Happy-numbers/Lasso/happy-numbers-1.lasso

@@ -0,0 +1,15 @@
+#!/usr/bin/lasso9
+
+define isHappy(n::integer) => {
+  local(past = set)
+  while(#n != 1) => {
+    #n = with i in string(#n)->values sum math_pow(integer(#i), 2)
+    #past->contains(#n) ? return false | #past->insert(#n)
+  }
+  return true
+}
+
+with x in generateSeries(1, 500)
+  where isHappy(#x)
+  take 8
+select #x

Task/Happy-numbers/Lasso/happy-numbers-2.lasso

@@ -0,0 +1 @@
+1, 7, 10, 13, 19, 23, 28, 31