Log Message:
update to 2.8.14
changes:
Fix the min() and max() optimizer so that it works when the FROM clause
 consists of a subquery.
Ignore extra whitespace at the end of of "." commands in the shell.
Bundle sqlite_encode_binary() and sqlite_decode_binary() with the library.
The TEMP_STORE and DEFAULT_TEMP_STORE pragmas now work.
Code changes to compile cleanly using OpenWatcom.
Fix VDBE stack overflow problems with INSTEAD OF triggers and NULLs in
 IN operators.
Add the global variable sqlite_temp_directory which if set defines
the directory in which temporary files are stored.
sqlite_interrupt() plays well with VACUUM.
Other minor bug fixes.