v1.1.0
Adds edge-case regression tests: empty-key rejection, missing-file exception wrapping, unrecognized/tab escape sequence handling, multi-equals values, and duplicate-key last-wins semantics. No behavioral changes; all tests pass.
Adds edge-case regression tests: empty-key rejection, missing-file exception wrapping, unrecognized/tab escape sequence handling, multi-equals values, and duplicate-key last-wins semantics. No behavioral changes; all tests pass.