3.99.11: (unstable)

* Builds with the latest libgda-4.0 (3.99.11).
* Connection: statement_execute_non_select(): Added overload with 
  last_inserted_row parameter.
  (Johannes Schmid)
* DataHandler: Removed get_nb_g_types() and get_g_type_index().
* Holder:
  - copy(): Make this const.
  - get_bind(): Use refreturn and add a const overload.
  - set_value(): Renamed to set_value_as_value(). Added a templated set_value().
  (Murray Cumming)
  - Added add_holder(id, value) as convenience shortcut.
  - get_holder(), get_parameters(): Correct reference-counting.
  - Added HolderError exception.
  (Johannes Schmid)
* Set: Renamed add_holder(string, value) to add_holder_as_value().
  Added a templated add_holder(string, T).
* ServerProvider: Added a create_operation() overload that takes no parameters.
  (Murray Cumming)
* SqlParser: Added SqlParserError exception.
  (Johannes Schmid)
* Statement:
  - Rename to_sql_extended() to to_sql(), and don't leak the string.
  Made all to_sql() overloads const.
  (Murray Cumming)
  - get_parameters(): Corrected reference counting.
  - Added StatmentError exception.
  (Johannes Schmid)