Qulacs

What's Changed
* Erase copy in `QuantumGate_Probabilistic`'s constructor by ikanago in https://github.com/Qulacs-Osaka/qulacs-osaka/pull/366

What's Changed

What's Changed
* upload LCOV coverage to codecov by KowerKoint in https://github.com/Qulacs-Osaka/qulacs-osaka/pull/337
* add noise simulator test using heavy output by KowerKoint in https://github.com/Qulacs-Osaka/qulacs-osaka/pull/331
* proba__bug_fix by WATLE in https://github.com/Qulacs-Osaka/qulacs-osaka/pull/327
* default USE_TEST=No by KowerKoint in https://github.com/Qulacs-Osaka/qulacs-osaka/pull/339
* fix cpp tutorial by herring101 in https://github.com/Qulacs-Osaka/qulacs-osaka/pull/346
* Use python image as base image by ikanago in https://github.com/Qulacs-Osaka/qulacs-osaka/pull/341
* ENV USE_TEST="Yes" by KowerKoint in https://github.com/Qulacs-Osaka/qulacs-osaka/pull/343


**Full Changelog**: https://github.com/Qulacs-Osaka/qulacs-osaka/compare/v0.4.0...v0.4.1

**Full Changelog**: https://github.com/Qulacs-Osaka/qulacs-osaka/compare/v0.3.1...v0.4.0

What's Changed
* Fix memory leak in composite gates by corryvrequan in https://github.com/qulacs/qulacs/pull/293
* Bugfix for density matrix tensor product by corryvrequan in https://github.com/qulacs/qulacs/pull/300
* Fix memory leak when creating a quantum operator by kwkbtr in https://github.com/qulacs/qulacs/pull/306
* Fix a bug in the calculation of expectation values on odd-number Pauli-Y observable for density matrix by corryvrequan in https://github.com/qulacs/qulacs/pull/315
* Change file encoding from ShiftJIS to UTF-8 by kwkbtr in https://github.com/qulacs/qulacs/pull/307
* Update version strings to 0.3.1 by kwkbtr in https://github.com/qulacs/qulacs/pull/316
* v0.3.1 by kwkbtr in https://github.com/qulacs/qulacs/pull/317


**Full Changelog**: https://github.com/qulacs/qulacs/compare/v0.3.0...v0.3.1

What's Changed
* Replace the way to cite in README by y-yu in https://github.com/qulacs/qulacs/pull/272
* Back-port the cite way change to dev branch by y-yu in https://github.com/qulacs/qulacs/pull/273
* Update readme with correct build command by corryvrequan in https://github.com/qulacs/qulacs/pull/274
* Disable some options when the target arch. is not x86 by r-imai-quantum in https://github.com/qulacs/qulacs/pull/277
* Fix: ignore trailing whitespaces in Pauli string. by r-imai-quantum in https://github.com/qulacs/qulacs/pull/258
* Move OpenMP parallel directives of get_expectaiton_value by kosukemtr in https://github.com/qulacs/qulacs/pull/247
* Add feature of several density matrix controls by corryvrequan in https://github.com/qulacs/qulacs/pull/283
* Fix pauli operator get expection value by kotamanegi in https://github.com/qulacs/qulacs/pull/276
* Add light partial trace by corryvrequan in https://github.com/qulacs/qulacs/pull/285
* Update SIMD options by corryvrequan in https://github.com/qulacs/qulacs/pull/286
* Update version string to 0.3.0 by r-imai-quantum in https://github.com/qulacs/qulacs/pull/289
* v0.3.0 by r-imai-quantum in https://github.com/qulacs/qulacs/pull/288

New Contributors
* r-imai-quantum made their first contribution in https://github.com/qulacs/qulacs/pull/277

**Full Changelog**: https://github.com/qulacs/qulacs/compare/v0.2.0...v0.3.0