Fixed logging of queries bug. Closes #64

slight refactoring of sql logging

Now logging sql under a separate key, and logging SQL upon completion…

… - per request from a customer.

Improvement / bugfix for catalog schema table batch reader

Remove aggressive WAL checkpointing - due to performance regression. …

…Let the client determine checkpointing.

Updated DuckDB to v1.4.1

Converted to use Bind variables for internal dictionary queries - for…

… better performance and security. Prevents SQL injection.

Revisions to SQL logging. Error out on use of "token" as a username f…

…or the server. Closes #36

Merge pull request #60 from summationai/fix-cert-path-name

Fix: Update the options name to token-signature-verify-cert-path to be consistent with env variable

Small bugfix in help