Add tasks for all the new languages

Task/SEDOLs/Phix/sedols.phix

@@ -0,0 +1,32 @@
+type string6(object s)
+    return string(s) and length(s)=6
+end type
+
+type sedolch(integer ch)
+    return ch>='0' and ch<='Z' and (ch<='9' or ch>='A') and not find(ch,"AEIOU")
+end type
+
+function sedol(string6 t)
+sedolch c
+integer s = 0
+    for i=1 to 6 do
+        c = t[i]
+        s += iff(c>='A'?c-'A'+10:c-'0')*{1,3,1,7,3,9}[i]
+    end for
+    return t & mod(10-mod(s,10),10)+'0'
+end function
+
+constant tests = {"710889",
+                  "B0YBKJ",
+                  "406566",
+                  "B0YBLH",
+                  "228276",
+                  "B0YBKL",
+                  "557910",
+                  "B0YBKR",
+                  "585284",
+                  "B0YBKT",
+                  "B00030"}
+for i=1 to length(tests) do
+    ?sedol(tests[i])
+end for