Add db_param_limit to manage SQL query limits

[aneust]

• Added db_param_limit setting with a default value of 65535.
• Includes a comment explaining its purpose and the need for chunking queries to avoid exceeding database limits.
• Helps prevent errors by ensuring queries stay within the parameter limits imposed by the database.

fix biigle/largo#111

[mzur]

References #941

[mzur]

Thanks!