v0.0.4

improves the circuit display and adds inverse gate functionality

What's Changed

• add test for negative num of qubits by @splch in #22
• Non unitary measurement error by @splch in #23
• Inverse argument + better circuit output by @splch in #24
• updates readme to show u + format by @splch in #25
• Better circuit output by @splch in #26
• v0.0.4 by @splch in #27

Full Changelog: v0.0.3...v0.0.4