Improved performance for SQL Server

Change in *.d.ts: Allow count, delete and deleteCascade to have no arguments.

Bugfix: Bun Postgres: Race Condition After Transaction Commit #133

Support for bigint #102

Enabled cyclic dependencies in type mapping to support true bidirectional relationships. See #132

Bugfix: MsSql: Validation failed for parameter '0'. Value must be between -2147483648 and 2147483647, inclusive. See #131

Bugfix: Support for multiple result sets from stored procedures in MsSql. See #130

Always do logging with question mark as placeholder instead of dialect specific placeholder.

Changed logging for SAP ASE.

Implemented automatic hex conversion for non-ASCII UTF-8 characters in database parameters to resolve SAP ASE encoding issues.