date printed with time now

Readme.md

@@ -1,5 +1,6 @@
-
 ### TODO
+- escape " in save csv
+- is null | is not null
 - coalesce, date functions now, add_date; string functions rtrim, ltrim, rpad, lpad; math function round
 - add pipe | concatenation
 
@@ -9,6 +10,8 @@
 - support for joining
 - add count min and max functions, eg aggregate functions
 
+- use string_to_double and string_to_long (from Table) everywhere
 - add const wherever should be
+- use static methods where posible
 - PERF in Row::Row(const Row &other), could be more efficient (memory and cpu)
 - use references where pointer cannot be nullptr