Add tasks for all the new languages

Task/String-comparison/Lingo/string-comparison-2.lingo

@@ -0,0 +1,10 @@
+-- Returns -1 if str1 is less than str2
+-- Returns 1 if str1 is greater than str2
+-- Returns 0 if str1 and str2 are equal
+on strcmp (str1, str2)
+  h1 = bytearray(str1).toHexString(1, str1.length)
+  h2 = bytearray(str2).toHexString(1, str2.length)
+  if h1<h2 then return -1
+  else if h1>h2 then return 1
+  return 0
+end