added db_*.getRow

todo.txt

@@ -10,14 +10,14 @@ version 0.9.0
   - Test capture of for loop vars; test generics;
   - test constant closures
   - implement closures that support nesting > 1
+- implement proper coroutines
 
-- document and fix 'do' notation
+- document 'do' notation
 - dead code elim for JS backend; 'of' operator for JS backend
 - unsigned ints and bignums; requires abstract integer literal type: 
   use tyInt+node for that
 - implement the high level optimizer
 - change overloading resolution
-- implement proper coroutines
 - ``hoist`` pragma for loop hoisting
 - we need to support iteration of 2 different data structures in parallel
 - make exceptions compatible with C++ exceptions