Removed inputs/NY/test/VegX.specimens.xml.ref because NY is not mapped via VegX

input.Makefile: Testing: Renamed import.*.out tests to end in .xml because they now contain XML import trees for validation, and this extension turns on XML syntax highlighting in a text editor

bin/map: out_is_db: Output the put template to stdout so it will be validated in the automated testing

xml_func.py: process(): If local XML function can't be found, just replace with last param instead of returning an error. This allows DB-only functions to be ignored in XML output mode.

sql_gen.py: ColDict.__setitem__(): Fixed bug where None value should not be replaced with column default value if column has no underlying table

sql.py: DbConn.col_info(): If column does not exist, raise sql_gen.NoUnderlyingTableException

sql_io.py: put_table(): In log messages, use `.to_str(db)` instead of repr() where possible to use the SQL syntax of the DB driver

sql_io.py: put_table(): ignore(): Replacing invalid value with NULL in nullable column: Corrected log message to "Replacing invalid value ... with NULL in column ..." because the rows with that value are not ignored in that case

sql.py: run_query(): InvalidValueException: Parse any exception ending in "out of range", not just "field value out of range", in order to support errors that the timezone is out of range

schemas/py_functions.sql: _dateRange*(): Made functions STRICT because they return NULL on NULL input