Add tasks for all the new languages

Task/Range-expansion/LiveCode/range-expansion-1.livecode

@@ -0,0 +1,38 @@
+function range beginning ending stepping
+    local tRange, tBegin, tEnd, tstep
+    if stepping is empty or stepping is 0 then
+        put 1 into tstep
+    else
+        put abs(stepping) into tstep
+    end if
+
+    if ending is empty or isNumber(ending) is not true then
+        put 0 into tEnd
+    else
+        put ending into tEnd
+    end if
+
+    if beginning is empty or isNumber(beginning) is not true then
+        put 0 into tBegin
+    else
+        put beginning into tBegin
+    end if
+
+    repeat with r = tBegin to tEnd step tstep
+        put space & r after tRange
+    end repeat
+    return word 1 to -1 of tRange
+end range
+
+function expandRange rangeExpr
+    put rangeExpr into tRange
+    split tRange by comma
+    repeat with n = 1 to the number of elements of tRange
+        if matchText(tRange[n],"^(\-*\d+)\-(\-*\d+)",beginning, ending) then
+            put range(beginning, ending, 1) & space after z
+        else
+            put tRange[n] & space after z
+        end if
+    end repeat
+    return z
+end expandRange

Task/Range-expansion/LiveCode/range-expansion-2.livecode

@@ -0,0 +1,2 @@
+expandRange("-6,-3--1,3-5,7-11,14,15,17-20")
+-6 -3 -2 -1 3 4 5 7 8 9 10 11 14 15 17 18 19 20