Apply last minute fixes

- Adjust version numbers in doc files
- Add code to remove stale file in setup.py

Update to SQLite3MC 2.3.5

Handle pragma cipher_salt

Update to SQLite3MC 2.3.3

Prepare release of apsw-sqlite3mc 3.51.3.1

Merge tag '3.51.3.0' into sqlite3mc

- adjust compile time symbol set
- update sqlite3mc amalgamation

Merge tag '3.52.0.0' into sqlite3mc

Prepare release of apsw-sqlite3mc 3.52.0.0

Update sqlite3mc amalgamation for version 3.51.2

- Apply apsw patch (related to carray)
- Adjust version number

Update sqlite3mc amalgamation

- Apply apsw patch (related to carray)
- Adjust version number

Adjust project name