chore: bump version to 0.1.1

CHANGELOG.md

@@ -1,5 +1,22 @@
 # Changelog
 
+## [0.1.1] - 2026-07-05
+
+### Added
+- `self.data`, `self.index`, `self.cash`, `self.equity` properties on Strategy
+- Sharpe ratio in Stats output (unannualized)
+- `__repr__` on Position — readable output when printing positions
+- DataFrame column validation with clear error message
+
+### Fixed
+- Trade PnL in history now stores net PnL (after exit commission) — per-trade stats were slightly optimistic
+- `Position` pyclass uses `from_py_object` to fix PyO3 deprecation warning
+- Removed dead `AttributeError` swallow in engine.rs
+
+### Examples
+- Added `examples/sma_cross.py` — SMA 10/50 crossover on EURUSD hourly data
+- Added `examples/compare_bt.py` — side-by-side comparison against backtesting.py
+
 ## [0.1.0] - 2026-06-21
 
 ### Added