v0.0.4 - Informix Rust

Features:

• Rust bindings for Informix CSDK (Client Software Development Kit)
• Safe connection handling with detailed error reporting
• SQL statement preparation and direct execution
• Parameter binding support for i32, str, String, and NaiveDate types
• Result fetching with proper NULL value handling
• Higher-level Cursor abstraction for simplified database interactions
• Support for SQLDriverConnect allowing flexible connection string options
• Comprehensive error handling with informative error messages
• RAII-compliant memory management for Connection and Statement objects
• Low-level FFI declarations for core CSDK functions