Add tasks for all the new languages

Task/Loops-Nested/Phix/loops-nested-1.phix

@@ -0,0 +1,14 @@
+constant s = sq_rand(repeat(repeat(20,20),20))
+integer found = 0
+for i=1 to 20 do
+    for j=1 to 20 do
+        printf(1,"%d",s[i][j])
+        if s[i][j]=20 then
+            found = 1
+            exit
+        end if
+        printf(1,", ")
+    end for
+    printf(1,"\n")
+    if found then exit end if
+end for

Task/Loops-Nested/Phix/loops-nested-2.phix

@@ -0,0 +1,12 @@
+procedure till20()
+    for i=1 to 20 do
+        for j=1 to 20 do
+            printf(1,"%d",s[i][j])
+            if s[i][j]=20 then return end if
+            printf(1,", ")
+        end for
+        printf(1,"\n")
+    end for
+end procedure
+till20()
+printf(1,"\n")

Task/Loops-Nested/Phix/loops-nested-3.phix

@@ -0,0 +1,10 @@
+for i=1 to 20 do
+    for j=1 to 20 do
+        printf(1,"%d",s[i][j])
+        if s[i][j]=20 then #ilASM{jmp :%done} end if
+        printf(1,", ")
+    end for
+    printf(1,"\n")
+end for
+#ilASM{:%done}
+printf(1,"\n")