Add tasks for all the new languages

Task/CSV-data-manipulation/EchoLisp/csv-data-manipulation-1.echolisp

@@ -0,0 +1,21 @@
+;; CSV -> LISTS
+(define (csv->row line)  (map (lambda(x) (or (string->number x) x)) (string-split line ",")))
+(define (csv->table csv) (map  csv->row (string-split csv "\n")))
+
+;; LISTS -> CSV
+(define (row->csv row) (string-join row ","))
+(define (table->csv header rows)
+    (string-join  (cons (row->csv header) (for/list ((row rows)) (row->csv row))) "\n"))
+
+
+(define (task file)
+ (let*
+ 	((table (csv->table file))
+ 	(header (first table))
+ 	(rows (rest table)))
+ 	
+ 	(table->csv
+ 		(append header "SUM") ;; add last column
+ 		(for/list ((row rows)) (append row (apply + row))))))
+
+