v1.3.0

Performance Improvements! 🎉

1. [BETA] ThreadedCsvReader - A drop-in replacement for CsvReader with parallel processing capabilities
2. Several minor optimizations (for single and threaded versions)
3. More available methods (repr, etc...)
4. Benchmarking - Performance benchmarks comparing sizes and single vs multi-threaded parsing
5. Tests - to help maintain consistency
6. Documentation - Usage examples and demonstrations

[BETA] ThreadedCsvReader Key Features

✅ Parallel Processing: Lightly Threaded
✅ Smart Fallback: Automatically uses single-threaded mode for small files
✅ Thread Safety: Safe to read from multiple threads after construction
✅ API Compatibility: Identical interface to the original CsvReader (Will likely fully replace in a version or 2)
✅ Configurable: Choose thread counts (default is 50% of all available)
✅ Robust: Handles quoted fields, different delimiters, and edge cases