Log Message:
SQLite Release 3.15.2

* Multiple bug fixes to the row value logic that was introduced in version 3.15.0.
* Fix a NULL pointer dereference in ATTACH/DETACH following a maliciously \ 
constructed syntax error.
* Fix a crash that can occur following an out-of-memory condition in the \ 
built-in instr() function.
* In the JSON extension, fix the JSON validator so that it correctly rejects \ 
invalid backslash escapes within strings.