add missing toString methods
Merged in david_phan/ydn-db/fix (pull request #1)

add missing toString methods
clean up old way to cursor implementation.
websql_cursor fix.
add logging messages
add logging messages
new api format.
version 1 api.
unit test clean up database.
debug string removal.
clean up testing.
clean up testing.
websql fix.
run method bug fix.