- Replace php::throwException with php::throwExceptionEx for better error handling
- Add return php::null statements after exception throws in closure generators
- Update argument count error messages to use format strings with proper escaping
- Modify type error messages to use format strings instead of concatenation
- Add completed callback parameter to dispatchParallel method in NativeBuilder
- Track and report completed task count during parallel compilation
- Add progress bar functionality using AnsiKit components
- Include failure reason reporting when compilation fails
- Add test case for parallel dispatcher completion tracking
- Add test for foreach indentation restoration in object iteration
- Increment version from 0.3.0 to 0.4.0
